python 列表操作

# 列表的创建
# list = ['a','b','c','d','c','e','f','c']
# print(list)
#
# list1 = []
# print(list1)
#
# #  索引 取值
# c = list[2]
# print(c)
# c = list[-4]
# print(c)
#
# #  范围取值  [起始索引：结束索引]  不包含最后一个
# list2 = list[1:4]
# print(list2)  # ['b', 'c', 'd']
# print(list2[-1])
#
# #  index 获取元素第一次索引位置
# index_position = list.index('c')
# print(index_position)  # 2

# count = len(list)
# print(count)
# # 遍历  for 循环
# i = 0
# for p in list:
#     if p == 'c':
#          # 倒叙索引
#          ri = count * -1 + i
#          print(p, i, ri)
#     i += 1
#
# print('------------------')
# i = 0
# while i < count:
#     if(list[i] == 'c'):
#         ri = count * -1 + i;
#         print(list[i],i,ri)
#     i += 1


# print('--------反转与排序----------')
# person = ['张三','赵六','李四','王五','赵六','钱七','孙八']
# person.reverse()     # 反转
# print('反转:',person)
#
# numbers = [28,32,14,12,53,42]
# numbers.sort()   #排序
# print('升序：',numbers)
#
# numbers.sort(reverse = True)   #排序
# print('降序：',numbers)

# print('--------列表操作----------')
# persons = ['张三','赵六','李四','王五','赵六','钱七','孙八']
# # 追加
# persons.append("杨九")
# print(persons)
# # 插入
# persons.insert(2,'刘二')
# print(persons)
#
# #  更新
# persons[2] = '宋二'
# print(persons)
# 范围更新
# persons[3:5] = ['王五','李四']
# print(persons)
#
# # 删除
# persons.remove('宋二')
# print(persons)
#
# #  索引删除
# persons.pop(4)
# print(persons)
#
# #  范围删除
# persons[4:6] = []
# print(persons)

# 统计次数
# persons = ['张三','赵六','李四','王五','赵六','钱七','孙八']

# 统计出现的次数
# cnt = persons.count('赵六')
# # print(cnt)

# 追加
# persons.append(['杨九','巫师'])
# print(persons)  #['张三', '赵六', '李四', '王五', '赵六', '钱七', '孙八', ['杨九', '巫师']]

# persons.extend(['杨九','巫师'])
# print(persons) # ['张三', '赵六', '李四', '王五', '赵六', '钱七', '孙八', '杨九', '巫师']
#
# b = '张三' in persons
# print(b) #True

# clear 用户清空列表
# persons.clear()
# print(persons)  # []



print('--------多维列表操作----------')
emp_list = []
while True:
    info = input("请输入员工信息:")
    if info == "":
        print("程序结束")
        break
    info_list = info.split(",")
    if len(info_list) != 3:
        print("格式不正确,请重新输入")
        continue
    emp_list.append(info_list)
    print(emp_list)
    for emp in emp_list:
        print("{n},年龄:{a},工资:{s}".format(n = emp[0],a = emp[1], s = emp[2]))