parameters: (self, step=None, form=None)
return_statement: return str(step)
docstring: Returns the prefix which will be used when calling the actual form for
          the given step. `step` contains the step-name, `form` the form which
          will be called with the returned prefix.
  
          If no step is given, the form_prefix will determine the current step
          automatically.
docstring_summary: Returns the prefix which will be used when calling the actual form for
          the given step. `step` contains the step-name, `form` the form which
          will be called with the returned prefix.
docstring_tokens: Returns the prefix which will be used when calling the actual form for the given step . step contains the step - name form the form which will be called with the returned prefix .
function: def get_form_prefix(self, step=None, form=None):
          """
          Returns the prefix which will be used when calling the actual form for
          the given step. `step` contains the step-name, `form` the form which
          will be called with the returned prefix.
  
          If no step is given, the form_prefix will determine the current step
          automatically.
          """
          if step is None:
              step = self.steps.current
          return str(step)
function_tokens: def get_form_prefix ( self , step = None , form = None ) : if step is None : step = self . steps . current return str ( step )