元组的嵌套，range，for循环嵌套

# 元祖 只读列表，可循环查询，可切片。
# 儿子不能改，孙子可能可以改。
# tu = (1,2,3,'alex',[2,3,4,'taibai'],'egon')
# # print(tu[3])
# # print(tu[0:4])
# # for i in tu:
# #     print(i)
# tu[4][3]=tu[4][3].upper()
# print(tu)
# tu[4].append('sb')
# print(tu)

# s = 'alex'
# s1 = 'sb'.join(s)
# print(s1)
# 列表转化成字符串  list -----> str    join
# li = ['taibai','alex','wusir','egon','女神',]
# s = '++++'.join(li)
# str ----->list   split()
# print(s)


# range  [1,2,3,4,5,6,.......100........]

# for i in range(3,10):
#     print(i)
# for i in range(10):
#     print(i)
# for i in range(0,10,3):
#     print(i)
# for i in range(10,0,-2):
#     print(i)
# for i in range(10,-1,-2):
#     print(i)

li = [1, 2, 3, 5, 'alex', [2, 3, 4, 5, 'taibai'], 'afds']
# for i in li:
#     if type(i) == list:
#         for k in i:
#             print(k)
#     else:print(i)

for i in range(len(li)):
    if type(li[i]) == list:
        for j in li[i]:
            print(j)
    else:
        print(li[i])