Keywords and functions

Keywords are reserved words that cannot be used as variable names. The following table gives the list of keywords and their purpose:

Keywords

Explanation

False

Boolean false value:

>>bool_var = False

True

Boolean true value:

>>bool_var = True

and

Logical operator that returns True only if both the operands are True or evaluates to True:

>>a = 2

>>if a > 0:

print(a)

>>2

as

Creates an alias for a module that is being imported:

import pandas as pd

import scikit-learn as skl

assert

Used to evaluate a logical expression to check values of variables at runtime and raises an AssertionError if the expression evaluates to False:

>>a = -2

>> assert a > 0

The preceding assert keyword raises ...

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