Add brain-prime game

Author: pwr44

Makefile

@@ -16,6 +16,9 @@ brain-gcd:
 brain-progression:
 	uv run brain-progression
 
+brain-prime:
+	uv run brain-prime
+
 build:
 	uv build
 

README.md

@@ -25,3 +25,7 @@
 ### Asciinema: step 8: brain-progression
 
 [![asciicast](https://asciinema.org/a/C6YfeEUsekaaOdIIdAwfl0vZi.svg)](https://asciinema.org/a/C6YfeEUsekaaOdIIdAwfl0vZi)
+
+### Asciinema: step 9: brain-prime
+
+[![asciicast](https://asciinema.org/a/5IFJqgQEw9TpbY3lFXAPhE8Go.svg)](https://asciinema.org/a/5IFJqgQEw9TpbY3lFXAPhE8Go)

brain_games/scripts/games/brain_prime.py

@@ -0,0 +1,34 @@
+from random import randint
+
+from brain_games.engine import engine
+
+GAME_TASK = 'Answer "yes" if given number is prime. Otherwise answer "no".'
+MIN_NUMBER = 2
+MAX_NUMBER = 50
+
+
+def get_random_number():
+    return randint(MIN_NUMBER, MAX_NUMBER)
+
+
+def is_prime(num):
+    counter = 2
+    while counter <= num / 2:
+        if num % counter == 0:
+            return False
+        counter += 1
+    return True
+
+
+def get_game_data():
+    game_question = get_random_number()
+    game_answer = 'yes' if is_prime(game_question) else 'no'
+    return [str(game_question), game_answer]
+
+
+def main():
+    engine(GAME_TASK, get_game_data)
+
+
+if __name__ == "__main__":
+    main()

pyproject.toml

@@ -26,3 +26,4 @@ brain-even = "brain_games.scripts.games.brain_even:main"
 brain-calc = "brain_games.scripts.games.brain_calc:main"
 brain-gcd = "brain_games.scripts.games.brain_gcd:main"
 brain-progression = "brain_games.scripts.games.brain_progression:main"
+brain-prime = "brain_games.scripts.games.brain_prime:main"