code: def input(self, what):
          
          if what is None:
              return None
          if not isinstance(what, STRING_TYPES):
              return self._input_json_from_non_string(what)
          if path.isfile(what):
              return self._input_json_from_file(what)
          try:
              return self._input_json_as_string(what)
          except ValueError:
              return self._input_string(what)
docs: *Converts the input to JSON and returns it.*
  
          Any of the following is accepted:
  
          - The path to JSON file
          - Any scalar that can be interpreted as JSON
          - A dictionary or a list
  
          *Examples*
  
          | ${payload} | `Input` | ${CURDIR}/payload.json |
  
          | ${object} | `Input` | { "name": "Julie Langford", "username": "jlangfor" } |
          | ${object} | `Input` | ${dict} |
  
          | ${array} | `Input` | ["name", "username"] |
          | ${array} | `Input` | ${list} |
  
          | ${boolean} | `Input` | true |
          | ${boolean} | `Input` | ${True} |
  
          | ${number} | `Input` | 2.0 |
          | ${number} | `Input` | ${2.0} |
  
          | ${string} | `Input` | Quotes are optional for strings |