Merge branch 'master' into expressions-vs-statements

Author: brendaweles

basic-input-output-in-python/README.md

@@ -0,0 +1,9 @@
+# Basic Input and Output in Python
+
+This folder contains the code examples for the Real Python tutorial [Basic Input and Output in Python](https://realpython.com/python-input-output/).
+
+You can run all of the scripts directly by specifying their name:
+
+```sh
+$ python <filename>.py
+```

basic-input-output-in-python/adventure_game.py

@@ -0,0 +1,20 @@
+import random
+
+health = 5
+enemy_health = 3
+
+while health > 0 and enemy_health > 0:
+    if input("Attack or Run? ").lower() == "attack":
+        enemy_health -= 1
+        print("You hit the enemy!")
+        # Implement a 50% chance that the enemy strikes back.
+        enemy_attacks = random.choice([True, False])
+        if enemy_attacks:
+            health -= 2
+            print("The enemy strikes back!")
+    else:
+        print("You ran away!")
+        break
+    print(f"Your health: {health}, Enemy health: {enemy_health}")
+
+print("Victory!" if enemy_health <= 0 else "Game Over")

basic-input-output-in-python/greeter.py

@@ -0,0 +1,2 @@
+name = input("Please enter your name: ")
+print("Hello", name, "and welcome!")

basic-input-output-in-python/guess_the_number.py

@@ -0,0 +1,9 @@
+import random
+
+number = random.randint(1, 10)
+guess = int(input("Guess a number between 1 and 10: "))
+
+if guess == number:
+    print("You got it!")
+else:
+    print(f"Sorry, the number was {number}.")

basic-input-output-in-python/improved_input.py

@@ -0,0 +1,4 @@
+import readline  # noqa F401
+
+while (user_input := input("> ")).lower() != "exit":
+    print("You entered:", user_input)

python-concurrency/cpu_processes.py

@@ -1,10 +1,10 @@
-import concurrent.futures
 import time
+from concurrent.futures import ProcessPoolExecutor
 
 
 def main():
     start_time = time.perf_counter()
-    with concurrent.futures.ProcessPoolExecutor() as executor:
+    with ProcessPoolExecutor() as executor:
         executor.map(fib, [35] * 20)
     duration = time.perf_counter() - start_time
     print(f"Computed in {duration} seconds")

python-concurrency/cpu_threads.py

@@ -1,10 +1,10 @@
-import concurrent.futures
 import time
+from concurrent.futures import ThreadPoolExecutor
 
 
 def main():
     start_time = time.perf_counter()
-    with concurrent.futures.ThreadPoolExecutor(max_workers=5) as executor:
+    with ThreadPoolExecutor(max_workers=5) as executor:
         executor.map(fib, [35] * 20)
     duration = time.perf_counter() - start_time
     print(f"Computed in {duration} seconds")

python-concurrency/io_threads.py

@@ -1,6 +1,6 @@
-import concurrent.futures
 import threading
 import time
+from concurrent.futures import ThreadPoolExecutor
 
 import requests
 
@@ -19,7 +19,7 @@ def main():
 
 
 def download_all_sites(sites):
-    with concurrent.futures.ThreadPoolExecutor(max_workers=5) as executor:
+    with ThreadPoolExecutor(max_workers=5) as executor:
         executor.map(download_site, sites)