#通过列表值,定义一个字典,来获取key和value str_list = [1,3,5,7,9,'i',9,'o',7,'i'] str_dict = {} for i in str_list: # 如果字典中包含i代表的key if i in str_dict: # 将i元素代表出现次数加1 str_dict[i] += 1 # 将ele元素代表出现次数设为1 else: str_dict[i] = 1 for i,value in str_dict.items(): print('%s的次