python base shades of copies

Copy depth

s=[[1,2],'fgfgf','cx']
s3=s.copy()
print(s)
print(s3)

　　test

D:\python\python.exe D:/untitled/dir/for.py
[[1, 2], 'fgfgf', 'cx']
[[1, 2], 'fgfgf', 'cx']

Process finished with exit code 0

　　Shallow copy of the modified

s=[[1,2],'fgfgf','cx']
s3=s.copy()
print(s3)
s3[1]='chhgghg'
print(s)
print(s3)

　　test

D:\python\python.exe D:/untitled/dir/for.py
[[1, 2], 'fgfgf', 'cx']
[[1, 2], 'fgfgf', 'cx']
[[1, 2], 'chhgghg', 'cx']

Process finished with exit code 0

　　Shallow copy of the list of changes

s=[[1,2],'fgfgf','cx']
s3=s.copy()
print(s3)
s3[0][1]='chhgghg'
print(s)
print(s3)

　　test

D:\python\python.exe D:/untitled/dir/for.py
[[1, 2], 'fgfgf', 'cx']
[[1, 'chhgghg'], 'fgfgf', 'cx']
[[1, 'chhgghg'], 'fgfgf', 'cx']

Process finished with exit code 0

　　Shallow copy replication layer

Deep copy

haha = ['cx',123,[15000,9000]]
wit = copy.deepcopy(haha)
wit[0] = 'cd'
wit[1] = 6666
wit[2][1] = 1999
print(wit)
print(haha)

　　test

D: \ python \ python.exe D: /untitled/dir/for.py 
[[1, 2], 'fgfgf', 'cx'] 
[[1, 'chhgghg'], 'fgfgf', 'cx'] 
[[1, 'chhgghg'], 'fgfgf', 'cx'] 
[ 'cd', 6666, [15000, 1999]] 
[ 'cx', 123, [15000, 9000]]