Please Help Me

How can i generate my casual graph to train and evaluation ？
Which .py file I should use？ because i want to set my endogenous_vars and exogenous_vars ，like price、wether or sales....
Could you please tell me which .py file I can generate my graph？ 
and What .py file code is I must to amend to generate my graph？
Pleaes please plaese！！！
Thanks！！！