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Python if not null

Python not null

test = "hello world"

if test is not None:
  print("test is not None")
  
test2 = None

if test2 is None:
  print("test2 is None")

3

Python if not null or empty

#check is not null
if var is not None:
    print('Var is not null')

0

Python if not null

#variable
var = "hello python"

#check is not null
if var is not NaN:
    print('Var is not null')

-2

Source: pytutorial.com

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