input: Write a python function to display each character of a message 100 times in a row. 
  assert scrollMessage("Hi") == None  # The function prints H H H ... H (100 times), then i i i ... i (100 times)
  assert scrollMessage("123") == None  # The function prints 1 1 1 ... 1 (100 times), 2 2 2 ... 2 (100 times), 3 3 3 ... 3 (100 times)
output: def scrollMessage(message):
      for char in message:
          print(char * 100)