def encryptFile():
    myFile = input("enter file to encrypt: ")
    file = open(myFile,"r")
    contents = file.read()
    contents = contents.encode()
    file = open(myFile, "w")
    encoded = base64.b64encode(contents)
    # the .decode() converts the bytes to str, taking off the b'...'
    file.write(str(encoded))
    print ("File is now encrypted... and the contents is unreadable")