检查变量是否在列表中

if my_variable in my_list:
    print("my_variable is in my_list")
else:
    print("my_variable is not in my_list")

if any(var in my_list for var in [my_variable1, my_variable2, my_variable3]):
    print("At least one variable is in my_list")
else:
    print("None of the variables are in my_list")