text: import random
  
  print('I will flip a coin 1000 times. Guess how many times it will come up heads. (Press enter to begin)')
  input()
  flips = 0
  heads = 0
  while flips < 1000:
      if random.randint(0, 1) == 1:
          heads = heads + 1
      flips = flips + 1
  
      if flips == 900:
          print('900 flips and there have been ' + str(heads) + ' heads.')
      if flips == 100:
          print('At 100 tosses, heads has come up ' +
                str(heads) + ' times so far.')
      if flips == 500:
          print('Halfway done, and heads has come up ' + str(heads) + ' times.')
  
  print()
  print('Out of 1000 coin tosses, heads came up ' + str(heads) + ' times!')
  print('Were you close?')
  