ROS registrations.py

service_api = None
api = 'apilll'
key = 'key'
map = {'key':[('id', 'api')]}
caller_id = 'key'
caller_api ='apijjjjjj'
if  key in map and not service_api:
    print(map[key])
    provider = map[key]
    if not (caller_id,caller_api) in provider:
        print('caller id and caller api is not in provider')
        #provider = [(caller_id,caller_api)]
        provider.append((caller_id,caller_api))
        print("-------------end----------------")
        print(provider)
        print("-------------end----------------")