Define slicing in Python.

What are positive and negative indices?

How is a file deleted in Python?

What is the major difference between tuples and lists in Python?

Why do we use the Pythonstartup environment variable?

Briefly explain some characteristics of Python.

What are the different stages of the life cycle of a thread?

Can we reverse a list in Python?

What are some distinct features of Python?

Is indentation necessary in Python?