#string operators
print("string operators")
a="hello"
b="world"
#concatination
print("1.",a+b)

#print a 5times
print("2.",a*5)

#bool. is there h in a
print("3.",'h'in a)

#bool. is there m in a
print("4.",'m'in a)

#bool. is x not in a
print("5.",'x'not in a)
