check if not none python code example

Example 1: is not none python

# To check if a variable is not None:
if x is not None:
  # Do something

Example 2: pythonhow to check if value is None

# How to check if a variable is None

var = None
# variable is None in this example

if var is None:
  # if var is None
  
  print("var is None")
  # code...
  
else:
  # if var is not None
  
  print("var is not None")
  # code...

# result of above example "var is None"



var = "sometext"
# variable is not None in this example

if var is None:
  # if var is None
  
  print("var is None")
  # code...
  
else:
  # if var is not None
  
  print("var is not None")
  # code...

# result of above example "var is not None"

Example 3: is not none in python

>>> x = None 
... if x: 
...     print 'if x' 
... if x is not None: 
...     print 'if x is not None'