What does the 'as' operator do? [duplicate]

Question

I am learning the basics of Python from Zed Shaw's Learn Python the Hard Way. I am currently at chapter 36 (Symbol review), and came across the 'as' operator. I need to search for it's uses in Python. I know this question is broad, but I didn't found anything as far on python.docs, or SO. What does this operator do?

Answer 1

It is used to create an alias when importing modules or when using the with clause:

import pandas as pd

df = pd.DataFrame()

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with open(file_name, 'r') as my_file:
    my_file.readlines()