diff --git a/91 Train/python/train.py b/91 Train/python/train.py new file mode 100644 index 00000000..0fd68b3c --- /dev/null +++ b/91 Train/python/train.py @@ -0,0 +1,44 @@ +#!/usr/bin/env python3 +# TRAIN +# +# Converted from BASIC to Python by Trevor Hobson + +import random + + +def play_game(): + """Play one round of the game""" + car_speed = random.randint(40, 65) + time_difference = random.randint(5, 20) + train_speed = random.randint(20, 39) + print("\nA car travelling", car_speed, "MPH can make a certain trip in") + print(time_difference, "hours less than a train travelling at", train_speed, "MPH") + time_answer = 0 + while time_answer == 0: + try: + time_answer = float(input("How long does the trip take by car ")) + except ValueError: + print("Please enter a number.") + car_time = time_difference*train_speed/(car_speed-train_speed) + error_percent = int(abs((car_time-time_answer)*100/time_answer)+.5) + if error_percent > 5: + print("Sorry. You were off by", error_percent, "percent.") + print("Correct answer is", round(car_time, 6), "hours") + else: + print("Good! Answer within", error_percent, "percent.") + + +def main(): + print(" " * 33 + "TRAIN") + print(" " * 15 + "CREATIVE COMPUTING MORRISTOWN, NEW JERSEY\n") + print("Time - speed distance exercise") + + keep_playing = True + while keep_playing: + play_game() + keep_playing = input( + "\nAnother problem (yes or no) ").lower().startswith("y") + + +if __name__ == "__main__": + main()