print(4+5) print(4*3) print(5/4) print(19-6) print(type(4/3)) print(type(4/2)) print(9/4) print(9//4) print(2**5) print(10>3 & 10<1) print(10>3 & 10<1) print(10>3 | 10<1) print(10>3 | 10<1) print(not True) print(not False) print(3==3) print(3>=3) print(3<2) print('a' > 'E') print(True<False) print(bin(11),bin(6)) print(43>>4) print(43<<4) a = 'python' b = 'is difficult' print(a + b) print("helloworld".upper()) print("helloworld".lower()) print(dir(str)) print(from datetime import time) t = time(7) prnt(t)