The basic process of python 3.0 file operation

1、r

data = open('Sun Wukong','r',encoding = 'utf-8').read()

print(data)

#This operation is a read operation of the file,

2、w

f = open('Sun Wukong','w',encoding = 'utf-8')

f.write('hello world')

f.write('karen') #Write two lines without wrapping, without overwriting ==>hello worldkaren

#This operation is a write operation of the file, overwriting the original content and re-editing

f = open('Sun Wukong 2','w',encoding = 'utf-8')

f.write('hello world')

#You can also create a new file for writing

3. f = open('Sun Wukong','a',encoding = 'utf-8')

f.append('hello world')

#Continue editing without affecting the original content

4、

impor time; time.sleep(50) #Delay buffer

open() to open a file

f.fileno() file descriptor

f.close() closes the file

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