input: Write a function to check the type of a given string and return whether it is an 'Integer', 'Float', or 'String'.
  assert check_type('123') == 'Integer'
  assert check_type('123.456') == 'Float'
  assert check_type('hello') == 'String'
  assert check_type('12.34.56') == 'String'
  assert check_type('123e-5') == 'Float'
output: def check_type(s):
      try:
          int(s)
          return 'Integer'
      except ValueError:
          try:
              float(s)
              return 'Float'
          except ValueError:
              return 'String'