# 7.py
#code=utf-8
# python的io操作

# 使用try catch 获取文件信息
f = None
try:
    f = open('1.py', 'r')
    print f.read()
finally:
    if f:
        f.close()


# 写文件
f = None
try:
    f = open("tmp.txt", 'w')
    f.write('mytest')
    f.close()
except Exception as err:
    print 'insert error'
    print err

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