Merge branch 'master' into python-protocol

Author: brendaweles

python-built-in-functions/fibonacci.py

@@ -1,11 +1,11 @@
-class Fibonacci:
-    def __init__(self):
-        self._cache = [0, 1]
+class Fibonaccish:
+    def __init__(self, initial_value=1):
+        self._cache = [0, initial_value]
 
     def __call__(self, index):
         if index < len(self._cache):
             fib_number = self._cache[index]
-            print(f"{fib_number} id = {id(fib_number)}")
+            print(f"{index} {fib_number} id = {id(fib_number)}")
         else:
             fib_number = self(index - 1) + self(index - 2)
             self._cache.append(fib_number)

python-built-in-functions/progress.py

@@ -1,7 +1,5 @@
 def progress(percent=0, width=30):
-    end = ""
-    if percent == 100:
-        end = "\n"
+    end = "" if percent < 100 else "\n"
     left = width * percent // 100
     right = width - left
     print(

python-function-names/README.md

@@ -0,0 +1,5 @@
+# How Do You Choose Python Function Names?
+
+This folder contains source code for the Real Python tutorial [How Do You Choose Python Function Names?](https://realpython.com/python-function-names/).
+
+For additional explanation, check out the associated tutorial.

python-function-names/bank_account.py

@@ -0,0 +1,29 @@
+class BankAccount:
+    def __init__(self, account_number, balance):
+        self.account_number = account_number
+        self.balance = balance
+
+    def __repr__(self):
+        return f"{type(self).__name__}({self.account_number}, {self.balance})"
+
+    def _verify_funds(self, amount):
+        return self.balance >= amount
+
+    def _deduct_funds(self, amount):
+        self.balance -= amount
+
+    def _add_funds(self, amount):
+        self.balance += amount
+
+    def get_balance(self):
+        return self.balance
+
+    def withdraw(self, amount):
+        if self._verify_funds(amount):
+            self._deduct_funds(amount)
+            return True
+        return False
+
+    def deposit(self, amount):
+        self._add_funds(amount)
+        return True

python-function-names/naming_functions.py

@@ -0,0 +1,14 @@
+# Poorly-named function, parameter, and variable
+def init(n):
+    return " ".join(f"{i[0]}." for i in n.split())
+
+
+# Descriptive names improve readability
+def get_initials(full_name):
+    return " ".join(f"{name[0]}." for name in full_name.split())
+
+
+print(get_initials("James Clerk Maxwell"))
+# OUTPUT: J. C. M.
+print(get_initials("Richard Feynman"))
+# OUTPUT: R. F.

python-json/README.md

@@ -0,0 +1,3 @@
+# Working With JSON Data in Python 
+
+This folder provides the code examples for the article [Working With JSON Data in Python](https://realpython.com/python-json).

python-json/dog_friend.json

@@ -0,0 +1,4 @@
+{
+    "name": "Mitch",
+    "age": 6.5
+}

python-json/hello_frieda.json

@@ -0,0 +1 @@
+{"name": "Frieda", "is_dog": true, "hobbies": ["eating", "sleeping", "barking"], "age": 8, "address": {"work": null, "home": ["Berlin", "Germany"]}, "friends": [{"name": "Philipp", "hobbies": ["eating", "sleeping", "reading"]}, {"name": "Mitch", "hobbies": ["running", "snacking"]}]}

python-json/hello_frieda.py

@@ -0,0 +1,39 @@
+import json
+
+dog_data = {
+    "name": "Frieda",
+    "is_dog": True,
+    "hobbies": [
+        "eating",
+        "sleeping",
+        "barking",
+    ],
+    "age": 8,
+    "address": {
+        "work": None,
+        "home": (
+            "Berlin",
+            "Germany",
+        ),
+    },
+    "friends": [
+        {
+            "name": "Philipp",
+            "hobbies": [
+                "eating",
+                "sleeping",
+                "reading",
+            ],
+        },
+        {
+            "name": "Mitch",
+            "hobbies": [
+                "running",
+                "snacking",
+            ],
+        },
+    ],
+}
+
+with open("hello_frieda.json", mode="w") as write_file:
+    json.dump(dog_data, write_file)

python-json/hello_world.json

@@ -0,0 +1,3 @@
+{
+  "greeting": "Hello, world!"
+}