You are opening the file as "w"
, which stands for writable.
Using "w"
you won't be able to read the file. Use the following instead:
file = open("File.txt","r")
Additionally, here are the other options:
"r" Opens a file for reading only.
"r+" Opens a file for both reading and writing.
"rb" Opens a file for reading only in binary format.
"rb+" Opens a file for both reading and writing in binary format.
"w" Opens a file for writing only.
"a" Open for writing. The file is created if it does not exist.
"a+" Open for reading and writing. The file is created if it does not exist.