input: Write a function to print numbers from 1 to 50, but for multiples of 3 print "Fizz" instead of the number, for multiples of 5 print "Buzz" instead of the number, and for multiples of both 3 and 5 print "FizzBuzz".
  assert fizzbuzz()==None
  for i in range(1, 51):
      if i % 3 == 0 and i % 5 == 0:
          print("FizzBuzz")
      elif i % 3 == 0:
          print("Fizz")
      elif i % 5 == 0:
          print("Buzz")
      else:
          print(i)
output: for i in range(1, 51):
      if i % 3 == 0 and i % 5 == 0:
          print("FizzBuzz")
      elif i % 3 == 0:
          print("Fizz")
      elif i % 5 == 0:
          print("Buzz")
      else:
          print(i)