arr = ['a','b','c','d','e','f'] if 'g' not in arr: print('g is not in the list')
li = [1,2,'a','b'] if 'hello' not in li: print('hello is not in the list')
result is not None
# False print(not(1 == 1)) # True print(not(1 == 2))
x = 10 if not x: print("True") else: print("False")
if not x