writable()

writable()
Returns boolean value True or False. Returns True if file is writable , otherwise False .

In file read mode ( r )

fob=open('data1.txt','r')
print(fob.writable()) # False

Using write mode

fob=open('data1.txt','w')
print(fob.writable()) # True

Using append mode

fob=open('data1.txt','a')
print(fob.writable()) # True

Using read and write

fob=open('data1.txt','+a')
print(fob.writable()) # True
Moving the file position by seek()

File Append File Write

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