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‎add-to-path/README.md‎

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# How to Add Python to Path
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Supporting materials for the Real Python tutorial [How to Add Python to PATH](https://realpython.com/add-python-to-path/).
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Here you'll find a file for Windows and one for Linux and macOS. They have snippets and instructions distilled from the tutorials.
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Additionally, you'll find some ways to set environment variables and modify `PATH` with PowerShell on Windows that aren't included in the tutorial.

‎add-to-path/linux-and-macos.sh‎

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# ------------------------------------
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# Add Path to PATH
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# ------------------------------------
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# Make sure you use the right profile for your system
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$ export PATH="<PATH_TO_PYTHON>:$PATH"
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# ------------------------------------
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# Add Path-Adding Operation to Profile
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# ------------------------------------
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# Make sure you use the right profile for your system
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$ echo export PATH="<PATH_TO_PYTHON>:$PATH" >> ~/.profile
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# Reread profile to see effect in same session
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$ source ~/.profile
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# ------------------------------------
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# Filtering Bad Paths from PATH
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# ------------------------------------
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# View current PATH
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$ echo $PATH
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# Output:
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# /usr/local/sbin:/usr/local/bin:/usr/sbin:/home/realpython/badpython:/usr/bin:
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# /sbin:/bin:/usr/games:/usr/local/games
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# View on separate lines by replacing colons with newlines
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$ echo $PATH | tr ":" "\n"
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# Output:
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# /usr/local/sbin
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# /usr/local/bin
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# /usr/sbin
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# /home/realpython/badpython
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# /usr/bin
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# /sbin
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# /bin
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# /usr/games
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# /usr/local/games
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# Filter out certain lines with grep -v
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$ echo $PATH | tr ":" "\n" | grep -v 'badpython'
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# Output:
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# /usr/local/sbin
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# /usr/local/bin
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# /usr/sbin
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# /usr/bin
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# /sbin
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# /bin
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# /usr/games
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# /usr/local/games
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# Replace newlines with colons
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$ echo $PATH | tr ":" "\n" | grep -v 'badpython' | tr "\n" ":"
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# Output:
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# /usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:
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# /usr/local/games
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# Assign to PATH
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$ export PATH=`echo $PATH | tr ":" "\n" | grep -v 'badpython' | tr "\n" ":"`

‎add-to-path/windows.ps1‎

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# --------------------------------------------------
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# How to Add to `PATH` via GUI
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# --------------------------------------------------
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<#
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Once you've located your Python executable, open the Start menu and search
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for the _Edit the system environment variables_ entry, which opens up a
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_System Properties_ window. In the _Advanced_ tab, click on the button
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_Environment Variables_. There you'll see _User_ and _System_ variables,
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which you'll be able to edit.
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In the section entitled _User Variables_, double-click on the entry that
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says _Path_. Another window will pop up showing a list of paths. Click the
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_New_ button and paste the path to your Python executable there. Once that's
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inserted, select your newly added path and click the _Move Up_ button until
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it's at the top.
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That's it! You may need to reboot your computer for the changes to take
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effect, but you should now be able to call `python` from the command line.
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#>
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# --------------------------------------------------
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# Working With Environment Variables With PowerShell
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# --------------------------------------------------
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# Set temporary environment variable (only active for current shell session)
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PS> $ENV:TEST = "VALUE"
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# Set permanent environment variable (need to restart shell to take effect)
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PS> [Environment]::SetEnvironmentVariable("TEST", "VALUE", "User")
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PS> cd ENV:
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PS> ls
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<# OUTPUT
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Name Value
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---- -----
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ALLUSERSPROFILE C:\ProgramData
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ANSICON 166x32766 (166x66)
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ANSICON_DEF 7
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APPDATA C:\Users\RealPython\AppData\Roaming
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AZ_ENABLED False
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...
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TEST VALUE
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...
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#>
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# View PATH
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PS> (cat ENV:PATH) -Split ";"
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<# OUTPUT
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C:\Program Files\PowerShell\7
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C:\Windows\system32
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C:\Windows
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C:\Windows\System32\WindowsPowerShell\v1.0\
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C:\Windows\System32\OpenSSH\
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#>
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# Append path to PATH
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PS> $ENV:PATH = "$ENV:PATH;C:\new\path"
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# Prepend path to PATH
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PS> $ENV:PATH = "C:\new\path;$ENV:PATH"

‎chatterbot/README.md‎

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# ChatterBot: Build a Chatbot with Python
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This repository contains code related to the tutorial on [building a Python chatbot with ChatterBot](https://realpython.com/build-a-chatbot-python-chatterbot/).
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Create and activate a [virtual environment](https://realpython.com/python-virtual-environments-a-primer/), then install the necessary dependencies:
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```sh
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$ python -m venv venv
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$ source venv/bin/activate
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(venv) $ python -m pip install -r requirements.txt
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```
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Then you can navigate into the folder `source_code_final/` and train and start the interactive command-line interface chatbot by running `bot.py`:
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```sh
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(venv) $ cd source_code_final
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(venv) $ python bot.py
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```
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After training, you'll see an interactive prompt that you can chat with:
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```text
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> hi
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🪴 Welcome, friend 🤗
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> thanks for the green welcome
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🪴 I let you
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> you let me be here?
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🪴 It's a monsters!
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> did you mean monstera?
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🪴 The leafs that she had are getting dryer and dryer. But she’s also growing plenty of new ones
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> who?
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🪴 Do raindrops touch their leaves?
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> very philosophical!
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🪴 Lol
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> ;)
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🪴 I don't grow any crop at home
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> no crops in pots
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🪴 Ah, gotcha!
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```
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The bot will learn from the replies you give and improve its accuracy. You can quit the interactive prompt by typing any of the `exit_conditions` defined in `bot.py`.
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You'll find the code for each step of the tutorial in a separate folder. The folders also include a SQLite database that contains the different phases of training at each step. Because of this, you can inspect the project at different stages and notice how it evolves when you add more data and interactions.

‎chatterbot/requirements.txt‎

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ChatterBot==1.0.4
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chatterbot-corpus==1.2.0
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click==8.1.3
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joblib==1.1.0
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mathparse==0.1.2
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nltk==3.7
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Pint==0.19.2
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pymongo==3.12.3
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python-dateutil==2.7.5
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pytz==2022.2.1
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PyYAML==3.13
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regex==2022.9.11
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six==1.16.0
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SQLAlchemy==1.2.19
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tqdm==4.64.1

‎chatterbot/source_code_final/bot.py‎

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from chatterbot import ChatBot
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from chatterbot.trainers import ListTrainer
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from cleaner import clean_corpus
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CORPUS_FILE = "chat.txt"
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chatbot = ChatBot("Chatpot")
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trainer = ListTrainer(chatbot)
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cleaned_corpus = clean_corpus(CORPUS_FILE)
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trainer.train(cleaned_corpus)
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exit_conditions = (":q", "quit", "exit")
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while True:
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query = input("> ")
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if query in exit_conditions:
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break
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else:
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print(f"🪴 {chatbot.get_response(query)}")

‎chatterbot/source_code_final/chat.txt‎

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9/15/22, 14:50 - Messages and calls are end-to-end encrypted. No one outside of this chat, not even WhatsApp, can read or listen to them. Tap to learn more.
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9/15/22, 14:49 - Philipp: Hi Martin, Philipp here!
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9/15/22, 14:50 - Philipp: I’m ready to talk about plants!
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9/15/22, 14:51 - Martin: Oh that's great!
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9/15/22, 14:52 - Martin: I've been waiting for a good convo about plants for a long time
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9/15/22, 14:52 - Philipp: We all have.
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9/15/22, 14:52 - Martin: Did you know they need water to grow?
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9/15/22, 14:52 - Philipp: I always thought that love and music was more than enough
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9/15/22, 14:53 - Philipp: But water makes sense
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9/15/22, 14:53 - Martin: Do you talk to your plants?
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9/15/22, 14:53 - Philipp: I do!
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9/15/22, 14:53 - Philipp: Some of them even have names
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9/15/22, 14:54 - Martin: What do they like to hear?
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9/15/22, 14:54 - Philipp: Motivational speeches
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9/15/22, 14:54 - Philipp: Or stories about plants that made it and are living outside now
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9/15/22, 14:54 - Martin: Oohhh 🥲
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9/15/22, 14:54 - Martin: Are you training them for independence?
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9/15/22, 14:56 - Philipp: Yeah! I want them to be strong and take care of themselves at some point
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9/15/22, 14:56 - Martin: That's heroic!
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9/15/22, 14:57 - Martin: Sounds like you're a great plant parent
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9/15/22, 14:57 - Philipp: Do you have any plant care pro tips?
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9/15/22, 14:58 - Martin: Ahh, idk i just leave them be...
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9/15/22, 14:58 - Martin: They are doing ok but not great
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9/15/22, 14:58 - Philipp: So they are independent already!
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9/15/22, 14:58 - Martin: I guess one tip would be to get plants that don't need much :P
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9/15/22, 14:58 - Philipp: Like plastic plants, for example?
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9/15/22, 14:59 - Martin: Haha, yes! Get independent plants!
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9/15/22, 14:59 - Martin: Plastic plants are the cream of the crop
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9/15/22, 14:59 - Martin: I haven't graduated to plastic plants yet
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9/15/22, 14:59 - Philipp: Cream of the crop?
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9/15/22, 15:00 - Philipp: I don't know what this means
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9/15/22, 15:01 - Martin: Crop is a cultivated plant that is grown on a large scale commercially, especially a cereal, fruit, or vegetable
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9/15/22, 15:01 - Martin: The cream must be the best of the best
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9/15/22, 15:01 - Martin: Or maybe just all of it blended together? ;p
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9/15/22, 15:02 - Martin: I don't grow any crop at home
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9/15/22, 15:02 - Martin: And no cream, in case you wondered
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9/15/22, 15:03 - Philipp: Ah, gotcha!
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9/15/22, 15:03 - Philipp: Let me show you something!
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9/15/22, 15:04 - Martin: I let you
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9/15/22, 15:06 - Philipp: <Media omitted>
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9/15/22, 15:06 - Martin: It's a monsters!
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9/15/22, 15:07 - Martin: Monstera* (auto correct...)
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9/15/22, 15:07 - Philipp: I’m currently running an experiment of keeping my Monstera on the balcony
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9/15/22, 15:07 - Martin: A monstera and a fluffy little monster
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9/15/22, 15:07 - Philipp: Haha, yeah, hard to tell which is which
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9/15/22, 15:07 - Martin: How has it been going with the monstera on the balcony?
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9/15/22, 15:08 - Martin: I've tried that too over the summer
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9/15/22, 15:08 - Philipp: Pretty bad
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9/15/22, 15:08 - Martin: Oh really?
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9/15/22, 15:08 - Martin: What happened?
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9/15/22, 15:08 - Philipp: Yeah
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9/15/22, 15:08 - Philipp: I mean … it’s weird.
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9/15/22, 15:08 - Philipp: The leafs that she had are getting dryer and dryer. But she’s also growing plenty of new ones
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9/15/22, 15:09 - Philipp: It‘s like she’s changing her summer jacket to a winter jacket
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9/15/22, 15:13 - Martin: Yeah something similar happened to ours
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9/15/22, 15:14 - Martin: It had thrips over the winter, so we needed to get rid of them
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9/15/22, 15:14 - Philipp: Ah, thrips are those tiny little beasts that eat your plants, aren't they?
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9/15/22, 15:15 - Martin: Thought that the balcony time would help get rid of them
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9/15/22, 15:15 - Martin: Yeah they are horrible, really cute and tiny and deadly
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9/15/22, 15:16 - Martin: Most of the monstera's leaves died, but now there are new ones coming
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9/15/22, 15:16 - Martin: I think it's the amount of light, they need different leaves for stronger sunlight
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9/15/22, 15:17 - Philipp: Do you have any other approaches to get rid of tiny monsters?
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9/15/22, 15:17 - Philipp: (Except putting the plant on the balcony)
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9/15/22, 15:17 - Martin: Tiny monstera's?
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9/15/22, 15:17 - Philipp: Handling tiny monsters to grow big monsteras
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9/15/22, 15:17 - Martin: Haha
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9/15/22, 15:17 - Martin: Well, no. Just the balcony. This worked best
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9/15/22, 15:18 - Martin: We tried applying soapy water
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9/15/22, 15:18 - Martin: Which is a suggestion
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9/15/22, 15:18 - Martin: And it keeps them a bit in check, but you can't get totally rid of them
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9/15/22, 15:18 - Philipp: 10/10 thrips don't like this simple trick 😅
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9/15/22, 15:18 - Philipp: Oh, okay
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9/15/22, 15:18 - Philipp: 8/10 thrips don't like this simple trick
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9/15/22, 15:18 - Martin: I really hope they're gone now 🤞
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9/15/22, 15:18 - Martin: Lol
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9/15/22, 15:19 - Martin: It's depressing when lil monstera keeps making new leaves for them just to get infected 😢
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9/15/22, 15:19 - Philipp: Yeah, nature can be harsh
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9/15/22, 15:20 - Martin: Ah yes, it's a slightly strange rendering of nature though, if it's about potted plants
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9/15/22, 15:20 - Martin: I feel like they could handle it better out in the wild
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9/15/22, 15:21 - Martin: Good that you're making yours strong enough to leave eventually!
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9/15/22, 15:22 - Philipp: For the other plants, my words help them to grow
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9/15/22, 15:22 - Philipp: Inside and outside
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9/15/22, 15:22 - Martin: What are the magic words?
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9/15/22, 15:23 - Martin: Wait, do you make *all* plants grow???
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9/15/22, 15:24 - Philipp: Grow hastily, grow healthily, grow heartily 🪄✨🌱
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9/15/22, 15:24 - Philipp: Do you not make all your plants grow?
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9/15/22, 15:24 - Martin: :))
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9/15/22, 15:25 - Martin: What do you consider 'your plants'?
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9/15/22, 15:28 - Philipp: Oh, now I understand!
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9/15/22, 15:29 - Philipp: I only considered the plants that live in my apartment (or my balcony) as the plant-spell-receiving plants
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9/15/22, 15:29 - Philipp: But maybe they share the words?
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9/15/22, 15:30 - Martin: Do raindrops touch their leaves?
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9/15/22, 15:30 - Martin: I'm sure they chat with the other plants if they can
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9/15/22, 15:31 - Philipp: Yeah, I heard that trees communicate in the woods with their roots
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9/15/22, 15:31 - Philipp: But thinking about that makes me feel bad that my plants are potted 😬
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9/15/22, 15:31 - Martin: 😢
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9/15/22, 15:32 - Martin: Yeah...
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9/15/22, 15:32 - Martin: The trees use mushrooms mycelium in the ground that's hooked to their roots to chat
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9/15/22, 15:32 - Martin: Pretty cool 😎
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9/15/22, 15:33 - Martin: So i also have a Pilea
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9/15/22, 15:33 - Martin: And some basil plants
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9/15/22, 15:33 - Philipp: Do you have a photo of the Pilea? I don't know how it looks
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9/15/22, 15:34 - Martin: And a peace lily
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9/15/22, 15:34 - Martin: https://en.m.wikipedia.org/wiki/Pilea_peperomioides
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9/15/22, 15:47 - Philipp: Oh, the Pilea looks cool!
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9/15/22, 15:47 - Philipp: The leaves are like small umbrellas
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9/15/22, 15:48 - Philipp: Did you actually manage to keep a supermarket basil alive or did you grow it yourself?
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9/15/22, 16:28 - Martin: that's quite a story!
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9/15/22, 16:28 - Martin: my dad had a flowering basil last year and put the seeds from that one plant into seeding pots
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9/15/22, 16:29 - Martin: so many of them came up that he had about two dining room tables full of basil plants, each in their own pots...
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9/15/22, 16:29 - Martin: i got three of them, so they are second gen supermarket basils with lots of siblings :)
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9/15/22, 20:58 - Philipp: I always thought supermarket basil was meant to die after a few days
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9/15/22, 20:58 - Philipp: But it seems it was my subpar care
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9/15/22, 20:59 - Philipp: Congratulations to your basil dynasty!
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9/16/22, 06:11 - Martin: Thanks!
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9/16/22, 06:12 - Martin: Kudos go mostly to my dad
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9/16/22, 06:12 - Martin: But you can bring them through winter
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9/16/22, 06:12 - Martin: If there's no thrip infestation...
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9/16/22, 06:34 - Martin: <Media omitted>
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9/16/22, 06:34 - Martin: <Media omitted>
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9/16/22, 06:35 - Martin: <Media omitted>
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9/16/22, 06:35 - Martin: Morning view of most of my house plants
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9/16/22, 09:44 - Philipp: Fingers crossed 🤞
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9/16/22, 09:45 - Philipp: Are the ones on top avocados?
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9/16/22, 09:53 - Martin: Yes, there are a couple of seedlings that wanted to live
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9/16/22, 09:54 - Martin: Two more on the balcony of a similar size
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9/16/22, 09:54 - Martin: And another seed that's one it's way 🤷‍♂️
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9/16/22, 09:55 - Philipp: I heard that it’s not easy to raise an Avodaco!
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9/16/22, 09:55 - Martin: I haven't even heard of Avodacos!
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9/16/22, 09:56 - Philipp: Wait, weren’t we talking about avocados?
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9/16/22, 09:56 - Martin: Ah yes avocados 🥑!
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9/16/22, 09:57 - Martin: I was just joking, riffing based on your typo 😝
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9/16/22, 09:57 - Philipp: Ooh! I was wondering why there was a red line under that word
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9/16/22, 09:57 - Martin: Do you think there are avotacos? 🥑🌮
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9/16/22, 09:57 - Philipp: But I like that term, too
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9/16/22, 09:58 - Philipp: 😂
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9/16/22, 09:58 - Philipp: If this is not a common term, then I want to make it common!
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9/16/22, 09:59 - Martin: Maybe growing an avotaco plant would be a plant symbiosis between an avocado tree and some corn plants?
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9/16/22, 10:19 - Philipp: Sounds like the perfect experiment!

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