

Can you create a series from the dictionary object in pandas? How will you combine different pandas dataframes? How will you check if a class is a child of another class? Differentiate between new and override modifiers. Is it possible to call parent class without its instance creation? How do you access parent members in the child class? How does inheritance work in python? Explain it with an example. What are negative indexes and why are they used? Explain split() and join() functions in Python? How are arguments passed by value or by reference in python? What is the use of help() and dir() functions? What is the difference between xrange and range in Python? What is lambda in Python? Why is it used?


What are Python namespaces? Why are they used?
