fp = open('C:\Users\MPC\Desktop\说明.txt')# 默认以读的方式打开
fp = open('test.txt','w')# 写方式打开
fp = open('data.json','a')#追加方式打开
fp = open('C:\Users\MPC\Desktop\说明.txt')
all_file = fp.read()
fp = open('C:\Users\MPC\Desktop\说明.txt')
lines = fp.readlines()
for line in lines:
...
fp.close()
fp = open('C:\Users\MPC\Desktop\说明.txt')
for line in fp:
...
fp.close()
>>>f= open('test.txt','w')
>>>f.write('Helloworld!')
>>>f.close()
>>>f= open('test1.txt','w')
>>>f.write('Welcome\nto\n China!')
>>>f.close()
>>>f= open('test1.txt','w')
>>>f.write('Welcome\nto\n China!')
>>>f.close()
>>>s= ['你好','伙计']
>>>f= open('test.txt','w')
>>>f.writelines(s)
>>>f.close()
>>>s= ['你好\n','伙计']
>>>f= open('test.txt','w')
>>>f.writelines(s)
>>>f.close()
>>>f = open(r'I:\python\test.txt','w')
>>>f.write('First line\n')
>>>f.write('Second line\n')
>>>f.write('Third line\n')
>>>f.close()
>>>lines = list(open(r'I:\python\test.txt'))
>>>lines
['Firstline\n', 'Second line\n', 'Third line\n']
>>>first,second,third = open(r'I:\python\test.txt')
>>>first
'Firstline\n'
>>>second
'Secondline\n'
>>>third
'Thirdline\n'
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