not python

1li = [1,2,'a','b']
2if 'hello' not in li:
3    print('hello is not in the list')

1x = 10
2if not x:
3    print("True")
4else:
5    print("False")

1arr = ['a','b','c','d','e','f']
2
3if 'g' not in arr:
4    print('g is not in the list')

1result is not None

1# False
2print(not(1 == 1))
3
4# True
5print(not(1 == 2))

1#The (!) is the not operator in Python, (!=) means not equal to.
2if 2!=10:
3  print("2 isn't equal to 10.")
4elif 2=10:
5  print("2 is equal to 10.")
6#Prints "2 isn't equal to 10." as 2 isn't equal to 10. Is it?