[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

Author: pre-commit-ci[bot]

logic_building_problems/collatz_conjecture.py

@@ -7,6 +7,7 @@
 - If n is odd, multiply it by 3 and add 1.
 """
 
+
 def collatz_sequence(n: int) -> list[int]:
     """
     Generates the Collatz sequence for a given starting number.
@@ -17,7 +18,7 @@ def collatz_sequence(n: int) -> list[int]:
     """
     if n <= 0:
         return []
-    
+
     sequence = [n]
     while n != 1:
         if n % 2 == 0:
@@ -27,8 +28,10 @@ def collatz_sequence(n: int) -> list[int]:
         sequence.append(n)
     return sequence
 
+
 if __name__ == "__main__":
     import doctest
+
     doctest.testmod()
     try:
         num = int(input("Enter a positive integer to start the Collatz sequence: "))
@@ -37,4 +40,4 @@ def collatz_sequence(n: int) -> list[int]:
         else:
             print("Please enter a positive integer.")
     except ValueError:
-        print("Invalid input. Please enter an integer.")
+        print("Invalid input. Please enter an integer.")

logic_building_problems/hangman.py

@@ -2,8 +2,10 @@
 A classic word-guessing game: Hangman.
 The computer picks a secret word, and the player tries to guess it letter by letter.
 """
+
 import random
 
+
 def play_hangman():
     """
     Starts an interactive session of Hangman.
@@ -14,9 +16,9 @@ def play_hangman():
     guessed_letters = set()
     incorrect_guesses = 0
     max_attempts = 6
-    
+
     print("Welcome to Hangman!")
-    
+
     while incorrect_guesses < max_attempts:
         # Display the current state of the word
         display_word = ""
@@ -27,17 +29,17 @@ def play_hangman():
                 display_word += "_"
         print(f"\nWord: {display_word}")
         print(f"Incorrect guesses left: {max_attempts - incorrect_guesses}")
-        
+
         if display_word == secret_word:
             print(f"Congratulations! You guessed the word: {secret_word}")
             return
-            
+
         guess = input("Guess a letter: ").lower()
-        
+
         if len(guess) != 1 or not guess.isalpha():
             print("Please enter a single letter.")
             continue
-        
+
         if guess in guessed_letters:
             print("You already guessed that letter.")
         elif guess in secret_word:
@@ -47,8 +49,9 @@ def play_hangman():
             print("Sorry, that letter is not in the word.")
             incorrect_guesses += 1
             guessed_letters.add(guess)
-            
+
     print(f"\nGame over! The word was: {secret_word}")
 
+
 if __name__ == "__main__":
-    play_hangman()
+    play_hangman()

logic_building_problems/kaprekars_constant.py

@@ -14,6 +14,7 @@
 
 KAPREKARS_CONSTANT = 6174
 
+
 def kaprekar_routine(n: int) -> list[int]:
     """
     Performs the Kaprekar routine and returns the sequence of numbers.
@@ -36,12 +37,16 @@ def kaprekar_routine(n: int) -> list[int]:
         sequence.append(n)
     return sequence
 
+
 if __name__ == "__main__":
     import doctest
+
     doctest.testmod()
     try:
-        num = int(input("Enter a 4-digit number (with at least two different digits): "))
+        num = int(
+            input("Enter a 4-digit number (with at least two different digits): ")
+        )
         result_sequence = kaprekar_routine(num)
         print(f"Sequence: {' -> '.join(map(str, result_sequence))}")
     except ValueError as e:
-        print(f"Error: {e}")
+        print(f"Error: {e}")

logic_building_problems/number_guessing_game.py

@@ -2,8 +2,10 @@
 A simple number guessing game.
 The program generates a random number and the user has to guess it.
 """
+
 import random
 
+
 def guessing_game(low: int, high: int):
     """
     Starts an interactive number guessing game.
@@ -27,5 +29,6 @@ def guessing_game(low: int, high: int):
         except ValueError:
             print("Invalid input. Please enter an integer.")
 
+
 if __name__ == "__main__":
-    guessing_game(1, 100)
+    guessing_game(1, 100)

logic_building_problems/rock_paper_scissors.py

@@ -2,38 +2,45 @@
 A simple, interactive Rock, Paper, Scissors game.
 The user plays against the computer, which makes a random choice.
 """
+
 import random
 
+
 def play_rock_paper_scissors():
     """
     Starts an interactive session of Rock, Paper, Scissors.
     This function is interactive and does not have a testable return value.
     """
     options = ["rock", "paper", "scissors"]
-    
+
     while True:
-        user_choice = input("Choose rock, paper, or scissors (or 'quit' to exit): ").lower()
-        
+        user_choice = input(
+            "Choose rock, paper, or scissors (or 'quit' to exit): "
+        ).lower()
+
         if user_choice == "quit":
             print("Thanks for playing!")
             break
-            
+
         if user_choice not in options:
             print("Invalid choice. Please try again.")
             continue
-            
+
         computer_choice = random.choice(options)
         print(f"Computer chose: {computer_choice}")
-        
+
         if user_choice == computer_choice:
             print("It's a tie!")
-        elif (user_choice == "rock" and computer_choice == "scissors") or \
-             (user_choice == "scissors" and computer_choice == "paper") or \
-             (user_choice == "paper" and computer_choice == "rock"):
+        elif (
+            (user_choice == "rock" and computer_choice == "scissors")
+            or (user_choice == "scissors" and computer_choice == "paper")
+            or (user_choice == "paper" and computer_choice == "rock")
+        ):
             print("You win!")
         else:
             print("You lose!")
         print("-" * 20)
 
+
 if __name__ == "__main__":
-    play_rock_paper_scissors()
+    play_rock_paper_scissors()