import re


def extract_variable_name(line):
    """Extracts the variable name

    Arguments:
        line {string} -- raw line of code

    Returns:
        string -- the variable name
    """
    variable_name = re.search(r"[\"'`]*[A-Za-z0-9\-\_]+[\"'`]* ?[ =:+([{]", line.rstrip())
    if variable_name:
        return variable_name.group()