my_list=['a','z','c','z','z','c','b','a'] my_dict={} for i in my_list: if i in my_dict: my_dict[i] = my_dict[i] + 1 else: my_dict[i] = 1 print(my_dict) Output {'a': 2, 'z': 3, 'c': 2, 'b': 1}High...
3.1.2变量的声明(Declaring Variables) 28 3.1.3 定义常量(Declaring Constants) 29 3.1.4 自定义数据类型(User-Defined … baike.baidu.com|基于89个网页 2. 声明变量 Object... ... Assignment-compatibility( 赋值兼容性)Declaring variables(声明变量) Absolute address( 绝对地址) ... ...