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")

a = False
if not a:
  #Does this

a = True
if not a:
  #Doesn't do this

boolean = False

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

a = False
if not a:
    yourFunction()

today = 'Sunday'

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