add: brain_calc.py, engine.py and refactor even

Author: ZLOI27

.gitignore

@@ -1 +1,2 @@
 .venv/
+brain_calc.cast

Makefile

@@ -17,5 +17,8 @@ package-install:
 lint:
 	uv run ruff check brain_games/scripts/brain_games.py
 	uv run ruff check brain_games/scripts/brain_even.py
+	uv run ruff check brain_games/scripts/brain_calc.py
+	uv run ruff check brain_games/games/even.py
+	uv run ruff check brain_games/games/calc.py
 	uv run ruff check brain_games/utils.py
-	uv run ruff check brain_games/game_logic.py
+	uv run ruff check brain_games/engine.py

brain_games/engine.py

@@ -0,0 +1,19 @@
+from brain_games.utils import greet_and_ask_name
+
+
+def engine_run(game) -> None:
+    name = greet_and_ask_name()
+    print(game.get_msg_game_rules())
+    for i in range(3):
+        question_msg = game.get_question_msg()
+        print(f"Question: {question_msg}")
+        answer, right_answer = game.get_answer_and_right_answer(question_msg)
+        if answer == right_answer:
+            print('Correct!')
+        else:
+            print(f"'{answer}' is wrong answer ;(. "
+                  f"Correct answer was '{right_answer}'.\n"
+                  f"Let\'s try again, {name}!")
+            break
+    else:
+        print(f"Congratulations, {name}!")

brain_games/game_logic.py

@@ -0,0 +1,31 @@
+import random
+
+from brain_games.utils import ask_answer
+
+
+def get_answer_and_right_answer(expression: str) -> tuple:
+    answer = ask_answer()
+    right_answer = get_right_answer(expression)
+    return (answer, right_answer)
+
+
+def get_question_msg() -> str:
+    left_num = random.randint(0, 100)
+    right_num = random.randint(0, 100)
+    binary_op = random.choice('+-*')
+    return f"{left_num} {binary_op} {right_num}"
+
+
+def get_right_answer(expression: str) -> str:
+    left_num, bin_op, right_num = expression.split()
+    match bin_op:
+        case '+':
+            return str(int(left_num) + int(right_num))
+        case '-':
+            return str(int(left_num) - int(right_num))
+        case '*':
+            return str(int(left_num) * int(right_num))
+
+
+def get_msg_game_rules() -> str:
+    return "What is the result of the expression?"

brain_games/games/calc.py

@@ -0,0 +1,24 @@
+import random
+
+from brain_games.utils import ask_answer
+
+
+def get_answer_and_right_answer(number: int) -> tuple:
+    answer = ask_answer()
+    right_answer = 'yes' if is_even(number) else 'no'
+    return (answer, right_answer)
+
+
+def get_question_msg() -> int:
+    return random.randint(0, 100)
+
+
+def is_even(number: int) -> bool:
+    if number % 2 == 0:
+        return True
+    else:
+        return False
+    
+
+def get_msg_game_rules() -> str:
+    return "Answer 'yes' if the number is even, otherwise answer 'no'."

brain_games/games/even.py

@@ -0,0 +1,10 @@
+from brain_games import engine
+from brain_games.games import calc
+
+
+def main() -> None:
+    engine.engine_run(calc)
+
+
+if __name__ == '__main__':
+    main()

brain_games/scripts/brain_calc.py

@@ -1,28 +1,9 @@
-import random
+from brain_games import engine
+from brain_games.games import even
 
-import prompt
 
-from brain_games.game_logic import is_even
-from brain_games.utils import greet_and_ask_name
-
-
-def main():
-    name = greet_and_ask_name()
-    print("Answer 'yes' if the number is even, otherwise answer 'no'.")
-    for i in range(3):
-        number = random.randint(0, 100)
-        print(f"Question: {number}")
-        answer = prompt.string("Your answer: ")
-        right_answer = 'yes' if is_even(number) else 'no'
-        if answer == right_answer:
-            print('Correct!')
-        else:
-            print(f"'{answer}' is wrong answer ;(. "
-                  f"Correct answer was '{right_answer}'.\n"
-                  f"Let\'s try again, {name}!")
-            break
-    else:
-        print(f"Congratulations, {name}!")
+def main() -> None:
+    engine.engine_run(even)
 
 
 if __name__ == '__main__':

brain_games/scripts/brain_even.py

@@ -9,3 +9,7 @@ def greet_and_ask_name(msg_greeting=GREETING, msg_question=QUESTION) -> str:
     name = prompt.string(msg_question)
     print(f"Hello, {name}! ")
     return name
+
+
+def ask_answer() -> str:
+    return prompt.string("Your answer: ")

brain_games/utils.py

@@ -23,4 +23,4 @@ dev = [
 [project.scripts]
 brain-games = "brain_games.scripts.brain_games:main"
 brain-even = "brain_games.scripts.brain_even:main"
-
+brain-calc = "brain_games.scripts.brain_calc:main"