1. 1) li=['alex','WuSir','ritian','barry','wenzhou'] print(len(li)) 2) li=['alex','WuSir','ritian','barry','wenzhou'] li.append('seven') print(li) 3) li=['alex','WuSir','ritian','barry','wenzhou'] li.insert(1,'Tony') print(li) 4) li=['alex','WuSir','…