Question

How to use if not statement in Python

Answer 1

x = 12

if not x > 20:
    print("x < 20")

 
 
 
'''
run:
 
x < 20
 
'''

 

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Answer 2

lst = []

if not lst:
    print("List empty")

 
 
 
'''
run:
 
List empty
 
'''

 

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Answer 3

lst = [1, 2, 3, 7, 8]

if not 5 in lst:
    print("not 5 in lst")
else:
    print("5 in lst")

 
 
 
'''
run:
 
not 5 in lst
 
'''

 

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