python: NameError：global name '...‘ is not defined

Question

(This question already has an answer here): question from:https://stackoverflow.com/questions/17557190/python-nameerror-global-name-is-not-defined

Answer 1

You need to call self.a() to invoke a from b. a is not a global function, it is a method on the class.

You may want to read through the Python tutorial on classes some more to get the finer details down.