系统
Windows 10 专业工作站版22H2
软件
python-3.9.6-amd64.exe
拓展库：

1.元组嵌套

1.1 元组嵌套元组

try:
    tuple0 = ((1,2,3),(1,2,3),(1,2,3))
    print(tuple0,type(tuple0))
except:
    print('error')

((1, 2, 3), (1, 2, 3), (1, 2, 3)) <class 'tuple'>

1.2 元组嵌套列表

try:
    tuple0 = ([1,2,3],[1,2,3],[1,2,3])
    print(tuple0,type(tuple0))
except:
    print('error')

([1, 2, 3], [1, 2, 3], [1, 2, 3]) <class 'tuple'>

1.3 元组嵌套集合

try:
    tuple0 = ({1,2,3},{1,2,3},{1,2,3})
    print(tuple0,type(tuple0))
except:
    print('error')

({1, 2, 3}, {1, 2, 3}, {1, 2, 3}) <class 'tuple'>

1.4 元组嵌套字典

try:
    tuple0 = ({'a':1,'b':2,'c':3},{'a':1,'b':2,'c':3},{'a':1,'b':2,'c':3})
    print(tuple0,type(tuple0))
except:
    print('error')

({'a': 1, 'b': 2, 'c': 3}, {'a': 1, 'b': 2, 'c': 3}, {'a': 1, 'b': 2, 'c': 3}) <class 'tuple'>

2 列表嵌套

2.1 列表嵌套元组

try:
    list0 = [(1,2,3),(1,2,3),(1,2,3)]
    print(list0,type(list0))
except:
    print('error')

[(1, 2, 3), (1, 2, 3), (1, 2, 3)] <class 'list'>

2.2 列表嵌套列表

try:
    list0 = [[1,2,3],[1,2,3],[1,2,3]]
    print(list0,type(list0))
except:
    print('error')

[[1, 2, 3], [1, 2, 3], [1, 2, 3]] <class 'list'>

2.3 列表嵌套集合

try:
    list0 = [{1,2,3},{1,2,3},{1,2,3}]
    print(list0,type(list0))
except:
    print('error')

[{1, 2, 3}, {1, 2, 3}, {1, 2, 3}] <class 'list'>

2.4 列表嵌套字典

try:
    list0 = [{'a':1,'b':2,'c':3},{'a':1,'b':2,'c':3},{'a':1,'b':2,'c':3}]
    print(list0,type(list0))
except:
    print('error')

[{'a': 1, 'b': 2, 'c': 3}, {'a': 1, 'b': 2, 'c': 3}, {'a': 1, 'b': 2, 'c': 3}] <class 'list'>

3 集合嵌套

3.1 集合嵌套元组

try:
    set0 = {(1,2,3),(1,2,3),(1,2,3)}
    print(set0,type(set0))
except:
    print('error')

{(1, 2, 3)} <class 'set'>

3.2 集合嵌套列表

try:
    set0 = {[1,2,3],[1,2,3],[1,2,3]}
    print(set0,type(set0))
except:
    print('error')

error

3.3 集合嵌套集合

try:
    set0 = {{1,2,3},{1,2,3},{1,2,3}}
    print(set0,type(set0))
except:
    print('error')

error

3.4 集合嵌套字典

try:
    set0 = {{'a':1,'b':2,'c':3},{'a':1,'b':2,'c':3},{'a':1,'b':2,'c':3}}
    print(set0,type(set0))
except:
    print('error')

error

4 字典嵌套

4.1 字典的键嵌套

4.1.1 字典的键嵌套元组

try:
    dict0 = {(1,2,3):(1,2,3),(1,2,3):(2,3,4),(1,2,3):(3,4,5)}
    print(dict0,type(dict0))
    dict0 = {(1,2,3):(3,4,5),(1,2,3):(2,3,4),(2,3,4):(1,2,3)}
    print(dict0,type(dict0))
except:
    print('error')

{(1, 2, 3): (3, 4, 5)} <class 'dict'>
{(1, 2, 3): (2, 3, 4), (2, 3, 4): (1, 2, 3)} <class 'dict'>

4.1.2 字典的键嵌套列表

try:
    dict0 = {[1,2,3]:(1,2,3),[1,2,3]:(1,2,3),[1,2,3]:(1,2,3)}
    print(dict0,type(dict0))
except:
    print('error')

error

4.1.3 字典的键嵌套集合

try:
    dict0 = {{1,2,3}:(1,2,3),{1,2,3}:(1,2,3),{1,2,3}:(1,2,3)}
    print(dict0,type(dict0))
except:
    print('error')

error

4.1.4 字典的键嵌套字典

try:
    dict0 = {
        {'a': 1, 'b': 2, 'c': 3}:(1,2,3),
        {'a': 1, 'b': 2, 'c': 3}:(1,2,3),
        {'a': 1, 'b': 2, 'c': 3}:(1,2,3)}
    print(dict0,type(dict0))
except:
    print('error')

error

4.2 字典的值嵌套

4.2.1 字典的值嵌套元组

try:
    dict0 = {'a':(1,2,3),'b':(1,2,3),'c':(1,2,3)}
    print(dict0,type(dict0))
except:
    print('error')

{'a': (1, 2, 3), 'b': (1, 2, 3), 'c': (1, 2, 3)} <class 'dict'>

4.2.2 字典的值嵌套列表

try:
    dict0 = {'a':[1,2,3],'b':[1,2,3],'c':[1,2,3]}
    print(dict0,type(dict0))
except:
    print('error')

{'a': [1, 2, 3], 'b': [1, 2, 3], 'c': [1, 2, 3]} <class 'dict'>

4.2.3 字典的值嵌套集合

try:
    dict0 = {'a':{1,2,3},'b':{1,2,3},'c':{1,2,3}}
    print(dict0,type(dict0))
except:
    print('error')

{'a': {1, 2, 3}, 'b': {1, 2, 3}, 'c': {1, 2, 3}} <class 'dict'>

4.2.4 字典的值嵌套字典

try:
    dict0 = {
        'a':{'a':1,'b':2,'c':3},
        'b':{'a':1,'b':2,'c':3},
        'c':{'a':1,'b':2,'c':3}}
    print(dict0,type(dict0))
except:
    print('error')

{'a': {'a': 1, 'b': 2, 'c': 3}, 'b': {'a': 1, 'b': 2, 'c': 3}, 'c': {'a': 1, 'b': 2, 'c': 3}} <class 'dict'>

5 总结

5.1 文字总结

1.可变类型数据不能作为集合的元素和字典的键。
2.集合和字典自身的去重特性导致嵌套时的输入值可能不等于输出值。

5.2 表格总结

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