[Tutor] Class within class, or...?

[Alan Gauld]

class Reader:
   def __init__(self, filePath=""):
       ....
       self.dataA=SchemaA()
       self.dataB=SchemaB()
       ...

class SchemaA():

class SchemaB():

You probaly should put the Schema definitions before the Reader 
definition. Otherwise what you suggest is absolutely the norm 
for OO programming.

Alan G.