python 检查特定值是否包含在列表中

# -*- coding: utf-8 -*-listA = ["23", "45", "78", "92"]
strB = "45"
strC = "12"if __name__ == '__main__':if strB in listA:print('%s is on the list' % strB)if strC not in listA:print('%s is not on the list' % strC)