10-3习题

with open(r'C:\Users\basten\Desktop\text.txt') as abc:   #路径前加r   可以忽视\
    contents=abc.readlines()  #注意  这里是readlines  意思是全部读取，然后按行为元素，变成列表，要用for提取
    for i in contents:
        print(i.rstrip())# 删除字符有三种   strip()删除两边的字符，里面的参数为要删除的字符（不分先后顺序），lstrip删除左边的，rstrip删除右边



with open(r'C:\Users\basten\Desktop\text.txt') as abc:   #路径前加r   可以忽视\

    while True:
        contents = abc.readline()#读取一行，如果要读取很多行，要用while语句
        print(contents.rstrip())
        if len(contents)==0:
            break

with open(r'C:\Users\basten\Desktop\text.txt','a') as test:  #已写入的模式进入,然后用write函数写入。
    test.write('我是你老牛\n ')


with open(r'C:\Users\basten\Desktop\text_2.txt','a') as homework:
    while True:
        names=input('请输入您的姓名')
        if names=='q':
            break
        homework.write('{0}\n'.format(names))
        print('您好',names)


with open(r'C:\Users\basten\Desktop\text_3.txt','a') as reason:
    while True:
        print('你好，请问您为何喜欢编程？')
        reason_1=input('你好你好你好')
        if reason_1=='q':
            break
        reason.write('{0}\n'.format(reason_1))