how to use if not in python code example

Example 1: python if not

# Using "if not" is practically saying that, 'if this condition is false......'
a = False
if not a:
  print("a is False")
  
# IS SAME AS:

if a == False:
  print("a is False")

Example 2: if not python

boolean = False

if not boolean: #Boolean is false.
  print("No")
else: #Boolean is True
  print("Yes")

Example 3: if not python

a = False
if not a:
    yourFunction()

Example 4: python if not

today = 'Sunday'

if not today=='Sunday':
	print('Go to work.')
else:
	print('Take rest.')