str1 = "fwiW aihehe" res1 = "ai" in str1 # True print(res1)
li = ["zhengkui", "abao", "keke"] res2 = "keke" not in li print(res2) # False
str1 = "fwiW aihehe" res1 = "ai" in str1 # True print(res1)
li = ["zhengkui", "abao", "keke"] res2 = "keke" not in li print(res2) # False