parameters: (self)
return_statement: return self._exp == 'F'
docstring: Return True if self is infinite; otherwise return False.
docstring_summary: Return True if self is infinite; otherwise return False.
docstring_tokens: Return True if self is infinite ; otherwise return False .
function: def is_infinite(self):
          """Return True if self is infinite; otherwise return False."""
          return self._exp == 'F'
function_tokens: def is_infinite ( self ) : return self . _exp == 'F'