Return the text of the source code for an object. The source code for interactively-defined objects are extracted from the interpreter's history. The argument may be a module, class, method, function, traceback, frame, or code object. The source code is returned as a single string. An
(object, alias='', lstrip=False, enclosing=False, \
force=False, builtin=False)
source not stored for this graph (policy: none)