# 1. print max integer in Python import sys max = sys.maxsize min = -sys.maxsize - 1 print (max) print (min) # introduce package and namespace # 2. Complete your code: age = int(input("Enter your age: ")) # the following code is incomplete if age >= 0 and age < 13: print("You are child.") elif age >= 13 and age <= 18: print("You are teenager.") # 3. Correct the code: numbers = [0] * 10 print(numbers) for i in range(15): numbers[i] = i print(numbers) # 4. encode and decode # only consider lower case # encode # use raw_input for python 2 password = input("Enter your password: ") newPassword = "" for i in range(len(password)): if (ord(password[i]) + 1 <= ord('z')): newPassword += chr(ord(password[i]) + 1) else: newPassword += "a" print(newPassword) # decode password = input("Enter your encoded password: ") newPassword = "" for i in range(len(password)): if (ord(password[i]) - 1 >= ord('a')): newPassword += chr(ord(password[i]) - 1) else: newPassword += "z" print(newPassword)