# 序列的切片实践
my_str = "万过薪月，员序程马黑来，nohtyp学"
# 字符串整体倒序，切片取出
result1 = my_str[::-1][9:14]
print(f"{result1}")
# 切片取出，然后倒叙
result2 = my_str[5:10][::-1]
print(f"{result2}")
# split分割”，” replace替换“来”为空，倒叙字符串
result3 = my_str.split("，")[1].replace("来", "")[::-1]# 写入为中文， 替换也需要为中文，
print(f"{result3}")
# new_my_list = ""
# index = 0
# while index < len(my_list):
#     element = my_list[index]
#     index += 1
#     new_my_list.extend(element)
# new_my_list.extend(f"{my_list[::-1]}")
# print(f"{new_my_list}")