【python-练习】一个阅读文件与创建并写入文件的脚本

import os
fname = raw_input("Enter the file name:")
def modoule():
    while True:
        if os.path.exists(fname):
            fobj = open(fname,'r')
            for i in fobj:
                print i,
            fobj.close()
        else:
            all = []
            print "\nEnter lines ('.' by itself to quit).\n"
            while True:
                entry = raw_input('>')
                if entry == '.':
                    break
                else:
                    all.append(entry)
            fobj = open(fname,'w')
            fobj.writelines(['%s%s' % (x,'\n') for x in all])
            fobj.close()
            print 'DONE!'
        break
if __name__ == '__main__':
    modoule()