What is a DataFrame object? How it is created in Python?

Question :

What is a DataFrame object? How it is created in Python?

A DataFrame object is a two-dimensional labeled array which is actually an ordered collection of columns where columns may store different types of data.

A dataFrame object can be created by following ways-

1. From a 2-D Dictionary

2. From a 2-D ndarray

3. From a 2-D Dictionary with values as Series object

4. From an another DataFrame object