heads_or_tails.py

heads_or_tails.py

#!/usr/bin/env python3
#
# Digitally flip a coin x number of times and prints the number of times the outcome was
# heads and tails.
#
# Version: v1.0.3
# License: MIT License
#          Copyright (c) 2020-2021 Hunter T. (StrangeRanger)
#
########################################################################################

import random


def coin_toss(x):
    """Simulates flipping a coin a specified number of times.

    Args:
        x (int): The number of times the coin should be flipped.
    """
    heads = 0
    tails = 0
    for i in range(x):
        toss = random.randint(0, 1)
        if toss == 0:
            heads += 1
        else:
            tails += 1
    print("Total tosses: {}\nHeads: {}\nTails: {}".format(x, heads, tails))


## Make sure that the user input is valid.
while True:
    try:
        toss_number = int(input("How many times do you want to toss the coin?\n"))
    # ValueError is produced when 'toss_number' is not an integer.
    except ValueError:
        print("Invalid input: only numbers are accepted as input\n")
        continue

    ## Prevent 'toss_number' from being a negative number.
    if toss_number < 0:
        print("Invalid input: only positive numbers are accepted as input\n")
        continue
    break

coin_toss(toss_number)