Matching a Regex String

How would I match the string:

log("Hello World")
log("This is second")

What I am doing is I am getting the data from a separate file that has multiple lines.

I want to match every string with a regex that has log() in python 3.

What code have you tried so far?

So far we have tried:

import re # import regular expresisons
import math # integers with expressions
def readFile(filename):
    data = open(filename, "r+").read()
    return str(data)
def main():
    code = readFile(input('Select file: '))

    pattern2 = re.findall("log(([^)]+))", code)
    # pattern = re.findall("log\a(\z)", code) 
    for pattern in pattern2: