test
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import math
print(math.PI)
a = dict()
b = dict()
c = [1,2,3]
a[1] = c
b[1] = c
d = a.get(1)
d.append(9)
print(a)
print(b)
print(c)
print(d)
Python深拷贝与浅拷贝
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test
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
import math
print(math.PI)
a = dict()
b = dict()
c = [1,2,3]
a[1] = c
b[1] = c
d = a.get(1)
d.append(9)
print(a)
print(b)
print(c)
print(d)
发现新版本的内容。