null value python code example

Example 1: test if object is NoneType python

if variable is None:

Example 2: what value do we get from NULL database python

value = None
cursor.execute("INSERT INTO table (`column1`) VALUES (%s)", (value,))

Example 3: python null ==

if foo is None:
    ...

Example 4: how to address null in python

a = None #intstead of null like javascript, we have None in python