import requests


def get_call(vars, url, header):
    """Generic GET call
    
    :param vars: Imported variables
    :type vars: Python dict
    :param url: GET call URL
    :type url: String
    :param header: GET call parameters
    :type header: Python dict
    :return: GET call response JSON
    :rtype: Python dict
    """
    r = requests.get(vars["base_url"] + url, headers=header)
    return r.json()