import random

money = 100

#Write your game of chance functions here

def coin_flip(guess,bet):
  total=100
  guess=input("Call Heads or Tails")
  bet=(input("Place your bet")
  guessin=0

  if guess=="Heads"
    guessin=1
  elif guess=="Tails"
    guessin=1
  else:
    print("Please input \'Heads\' or \'Tails\'")

  actual_flip=random.randint(0,1)

  if actual_flip==guessin:
    return total+bet
  elif actual_flip!=guessin:
    return total-bet

print(coin_flip(5))