Python: Convert contents of a file to Uppercase characters only

Question

I am trying to convert the contents a set of files to only uppercase characters. Heres the code I have so far:

import os

def test():
    os.chdir(\"C:/Users/Dav         


        

Answer 1

def test():
os.chdir("C:/Users/David/Files")
files = os.listdir(".")
for x in files:
    inputFile = open(x, "r")
    content = inputFile.read()
    with open(x, "wb") as outputFile:
            outputfile.write(str.upper(content))
            outputfile.close()