# Python program to illustrate
# not 'in' operator
x = 24
y = 20
list = [10, 20, 30, 40, 50 ];
if ( x not in list ):
print("x is NOT present in given list")
else:
print("x is present in given list")
if ( y in list ):
print("y is present in given list")
else:
print("y is NOT present in given list")