How to use XCom values as Global Variable Outside an Operator in Airflow

Question

Currently I'm having an Airflow dag which is taking multiple values as arguments and planning to use them as dynamic to run the steps within the dag.

For Eg I have this method to push the values into XCom:

def push_to_xcom(ds, **kwargs):
    shape_change_tables = []
    ss_cd = {}
    env = ''

    if 'env' in kwargs['dag_run'].conf:
        env = kwargs['dag_run'].conf['env']
    else:
        env = 'dev'
        print("by default environment take as 'dev'")
    
    if isinstance(kwargs['dag_run'].conf['ss_cd'], dict):
        ss_cd = dict(kwargs['dag_run'].conf['ss_cd'])
    else:
        print('<<<<<<<<<<Pass sscd as an argument>>>>>>>>>>>')
        sys.exit(-1)

    if isinstance(kwargs['dag_run'].conf['shape'], list):
        shape_change_tables = list(kwargs['dag_run'].conf['shape'])
    else:
        print('<<<<<<<<<<Pass shape change tables as an argument>>>>>>>>>>>')
        sys.exit(-1)
    
    kwargs['ti'].xcom_push(key='shape_change_tables', value=shape_change_tables)
    kwargs['ti'].xcom_push(key='ss_cd', value=ss_cd)
    kwargs['ti'].xcom_push(key='env', value=env)
    

I'd need to use those 3 xcom variables outside the operator within the same dag.

Let's say I'd need to use the variable shape_change_tables which is a dictionary, in the following loop:

for i in json.loads(open('somejson.json', 'r').read())['tables'].keys():
    # Id want to use the above Xcom Variable shape_change_tables in the below if condition
    if i in {val for dic in shape_change_tables for val in dic.values()}:   
        

How can I pull the value? Can I simply use below before the if condition?

shape_change_tables = ti.xcom_pull(key='shape_change_tables', task_ids='push_to_xcom')

If anyone has come across the same, any help would be appreciated.