高级编程技术作业 （二）

2-1:      message = "I use python"
            print(message)
2-2:      message = "I use python"
            print(message)
            message = "I forget what I said"

            print(message)
2-3:      name = "Jack"
            message = name + " likes drinking beer"

            print(message)
2-4:      name = 'jack'
            print(name.lower())
            print(name.upper())

            print(name.title())
2-5:      print('''Albert Einstein said,"sometimes one pays most for the things one gets for nothing"''')
2-6:     name = 'Albert Einstein'
            message = name + ''' once said, "sometimes one pays most for the things one gets for nothing"'''

            print(message)

2-7:      name = '\t jack \n \t name'
            print(name.lstrip())

            print(name.rstrip())

            print(name.strip())

2-8       print(3 +5)
            print(10 - 2)

            print(2 * 4)

            print(16 / 2)

2- 9      number = 12
            message = 'my favorite number is ' + str(number)

            print(message)