Mutator Method Assignment and Compare Python 2.7 with Other Programming Languages

1)  Mutator Method in Python 2.7

1. Explain the purpose of the mutator method. What does it normally return and why?
2. Explain aliasing, how does it affect the mutation of an object?
3. Give an example of an object that behaves like a dictionary show a code example of how the python dictionary reflects the real world example.

2)  Discussion Topic: Compare Python 2.7 with Other Programming Languages

If you are familiar with another programming language, compare PYTHON's data structures to how other languages handle similar functions. For instance Java uses a Map structure in place of a dictionary. Discuss an example of how you might use this structure in a real world program.  Response needs to be 75 to 100 words.