python中打开关闭文件的方法

2015-6-01 python koukou 2,735 views

6-01 2,735 views

try:
    with open('123.txt','r') as data:
        print('It is ..',file=data)
except IOError as err:
    print('File error:'+str(err))

try:
    with open('123.txt','r') as data:
        for line in data:
            print(line)
except IOError as err:
    print('File error:'+str(err))

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