How to build an API connection in Python

import requests
import base64
import hmac, hashlib
import simplejson as json
import pprint

pp = pprint.PrettyPrinter(indent=1)

def callAPI(base_url, public_key, token, endpoint='/account', method='GET', body='', query=''):
    
    
    
    signature_token = bytes(token.encode('utf-8'))
    uri_and_body = '{}|{}'.format(endpoint,body).encode('utf-8')
    uri_and_body_hmac_sha256 = hmac.new(signature_token, msg=uri_and_body, digestmod = hashlib.sha256).hexdigest()
    
    xtoken = base64.b64encode(bytes('{}:{}'.format(public_key, uri_and_body_hmac_sha256), 'utf-8'))
    url = '{}{}{}'.format(base_url, endpoint, query)
    headers = {
        'X-Auth-Token': xtoken,
        'version':'1.18.14',
        'verbosity':'full'
    }
    
    response = requests.request(method, url, data=body, headers=headers, params=query)
    return response, xtoken


baseurl = 'https://api.mopinion.com'
endpoint = '/account'

#public key and signature token
public_key = '8e8e8e8e8e88e'
token = '9d9galnojvavlkre455%lreagfglkfgslkng'
query = ''
call = callAPI(baseurl,public_key,token,endpoint,query=query)
pp.pprint(call[0].json())
print(call[1])