input: Write a python function to get the type of a variable as a string.
  assert get_type(10) == 'int'
  assert get_type(10.5) == 'float'
  assert get_type("hello") == 'str'
  assert get_type([1, 2, 3]) == 'list'
output: def get_type(variable):
      return type(variable).__name__