enter_number = input('Please Input:')
middle_list = list(enter_number)
complet_list = []
for number in middle_list:
if number not in complet_list:
#已在complet_list中的元素不会第二次加入,达到了删除重复元素的效果
complet_list.append(number)
print(complet_list)
测试输入1:Please Input:1234512378
预期输出1:[‘1’, ‘2’, ‘3’, ‘4’, ‘5’, ‘7’, ‘8’]
测试输入2:Please Input:abcabc1233EF
预期输出2:[‘a’, ‘b’, ‘c’, ‘1’, ‘2’, ‘3’, ‘E’, ‘F’]