This code changes anum but it should not?? What is going wrong?
Many thanks
>>> astr=
>>> anum=[4,3,2,1]
>>> anew=anum
>>> for c,d in enumerate(anum):
... anew[c]=astr[c]
... print(anew,astr,anum)
...
>>>
orangepyth
0
Newbie Poster
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Jump to PostThis code changes anum but it should not?? What is going wrong?
Many thanks>>> astr=
>>> anum=[4,3,2,1]
>>> anew=anum
>>> for c,d in enumerate(anum):
... anew[c]=astr[c]
... print(anew,astr,anum)
...
>>>Use
anew = list(anum)to make a copy, otherwise anew is only an alias for anum.
All 2 Replies
Gribouillis
1,391
Programming Explorer
Team Colleague
This code changes anum but it should not?? What is going wrong?
Many thanks>>> astr=
>>> anum=[4,3,2,1]
>>> anew=anum
>>> for c,d in enumerate(anum):
... anew[c]=astr[c]
... print(anew,astr,anum)
...
>>>
Use anew = list(anum) to make a copy, otherwise anew is only an alias for anum.
orangepyth
0
Newbie Poster
Use
anew = list(anum)to make a copy, otherwise anew is only a alias for anum.
Thank you very much.
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