《高级编程技术》作业[10]——第十章部分习题选做

输入文件:learning_python.txt如下：

in python you can write
in python you can see
in python you can code
in python you can't find yourself a girlfriend

代码如下:

#10-1
filename = 'learning_python.txt'

with open(filename) as file_object:
    for line in file_object:
        print(line.rstrip())
print("\n")
with open(filename) as file_object:
    contents = file_object.read()
    print(contents.rstrip())
print("\n")
with open(filename) as file_object:    
    lines = file_object.readlines()
for line in lines:
    print(line.rstrip())
print("\n")

#10-2
for line in lines:
    print(line.replace('python', 'C').rstrip())
print("\n")

#10-3
filename = 'guest.txt'
with open(filename, 'w') as file_object:
    while True:
        print("What's your name? Enter q to quit")
        name = input()
        if name == 'q':
            break
        file_object.write(name + '\n')

#10-6
while True:
    num1 = input("Please input 1st numbers: ")
    num2 = input("Please input 2nd numbers: ")
    try:
        print(int(num1) + int(num2))
    except ValueError:
        print("No, you didn't enter integer, Please Enter again")
    else:
        break

输入如下:

good
man
q
e
r
9
8

输出如下：

in python you can write
in python you can see
in python you can code
in python you can't find yourself a girlfriend


in python you can write
in python you can see
in python you can code
in python you can't find yourself a girlfriend


in python you can write
in python you can see
in python you can code
in python you can't find yourself a girlfriend


in C you can write
in C you can see
in C you can code
in C you can't find yourself a girlfriend


What's your name? Enter q to quit
What's your name? Enter q to quit
What's your name? Enter q to quit
Please input 1st numbers: Please input 2nd numbers: No, you didn't enter integer, Please Enter again
Please input 1st numbers: Please input 2nd numbers: 17