python - Trying to understand classes -


given code following:

    class a():         x=1         class b()         x=3     print x

how value of x in class b used in class a?

i example this:

    class a:         def add():             x=1                  class b:                    def addmore():                     y=1

how can value of y in class a

if understood right code, , access x variable:

class a():     x=1     class b():         x=3  ainstance = a() print ainstance.x '1' print ainstance.b.x '3'

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