Dict字典
Dict for Dictionary
1键：1值
d = {‘a’:‘a1’,‘b’:‘b1’,‘c’:‘c1’,…,‘z’:‘z1’}
dict(‘a’ = ‘a1’，…，‘z’ = ‘z1’)
d = [‘a’]
‘a1’
d.get(‘b’)
‘b1’
d.get(‘C’,C1)
‘C1’ 1
d.updated
Tutor元组
老师让我多写一点可是我好困
数据类型汇总
数字： int，float，decimal，fraction
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区分大小写；可插入集合 ↩︎