Python file Operation example-to be perfected

#w写模式, R read mode, a append, r+ read/write, w+ write, a + append read, RB two-format read file, WB write two-level file

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f = open (' Yesterday ', ' r+ ', encoding= ' utf-8 ')
f = open (' Yesterday ', ' w+ ', encoding= ' utf-8 ')
f = open (' Yesterday ', ' RB ') #文件句柄, binary files, two cases use: Network transmission, read binary files, avoid damaging files
f = open (' Yesterday ', ' WB ') #写为二进制文件
#data = F.read ()
#print (data)
F.write (' \ n i love Beijing Tian ' an gate ... \ n ')
F.write (' Rising Sun on Tiananmen Square ')
data = F.read ()
Print (data)
F.close ()
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f = open (' Yesterday ', ' r+ ', encoding= ' utf-8 ')
Print (F.readline ())
Print (F.readline ())
Print (F.readline ())
Print (F.tell ())
F.write ('-------------------------------------------------')

Print (F.readline ())
F.close ()
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f = open (' Yesterday ', ' WB ')

f = open (' Yesterday ', ' RB ')
#f. Write ("Hello binary\n". Encode ()) #存二级制则需要转换为二级制, or error
Print (F.readline ())
F.close ()


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Print (F.tell ()) #打印当前的位置
Print (F.readline ())
Print (F.readline ())
Print (F.readline ())
Print (F.tell ())
F.seek (#回到的地方)
Print (F.readline ())
Print (f.encoding) #返回编码格式
Print (F.fileno ()) #文件句柄编号
Print (F.seekable ()) #判断光标是否可以移动
Print (F.readable ()) #文件是否可读
Print (F.writable ()) #判断文件是否可以写
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F.write (' Hello 1\n ')
Print (F.buffer)
Print (F.flush ()) #刷新到硬盘
F.seek (10)
F.truncate (#不写就是清空), truncate from the beginning
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#for I in range (5):
# Print (F.readline ())
#print (F.readline ())
#for line in F.readline ():
#print (F.readlines ())
#low
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For Index,line in Enumerate (F.readlines ()): #f. ReadLines () Suitable for small files
If index==9:
Print ('-----------I'm line 9th-------------')
Continue
Print (Line.strip ())
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#high Bige is read in a row, and the memory remains the same
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Count = 0
For line in F:
If Count ==9:
Print ('-----------I'm line 9th-------------')
Count + = 1
Continue
Print (Line.strip ())
Count +=1
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Python file Operation example-to be perfected