Python full stack development--file operation

#读

1 f=open ('d:\\k.py', encoding='UTF8') 2 print (F.readline ()) 3 print (F.readline ()) 4 print (F.readline ())         #读一行readline5print (f.readable ())         #读全部, converting each line to a list string  6print (F.readlines ())7 f.close ()

#写文件

F=open ( ' li Chen ','w') f.write ('1244\ n43564\ngergre\nghhrt\n') f.writelines (['fsdgfwsdg', ' 3242 '])  # A String f.close () than required

#追加

F=open (' li Chen ','a')   #a mode append f.write ( ' FDHDH ' ) f.write ('hgfbf') f.close ()

#总结加其它
#打开文件模式
R Read-only mode
W Write-only mode (no, create, have, empty content)

A append mode

X write-only mode (no, create, error)
# "+" blending mode
r+  Reading and writing
W   Read/write
A   write read
x+  Reading and writing
# "B" means operation in bytes
RB or R+b
WB or W+b
AB or A+b
XB or X+b

Python full stack development--file operation