parameters: (self)
docstring: Clear the value attributes of all controls in the form.
  
          See HTMLForm.clear.__doc__.
docstring_summary: Clear the value attributes of all controls in the form.
docstring_tokens: Clear the value attributes of all controls in the form .
function: def clear_all(self):
          """Clear the value attributes of all controls in the form.
  
          See HTMLForm.clear.__doc__.
  
          """
          for control in self.controls:
              control.clear()
function_tokens: def clear_all ( self ) : for control in self . controls : control . clear ( )