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- python - How do I clone a list so that it doesnt change unexpectedly . . .
import copy new_list = copy copy(old_list) This is a little slower than list() because it has to find out the datatype of old_list first If you need to copy the elements of the list as well, use generic copy deepcopy(): python Copy
- python - How to copy a dictionary and only edit the copy - Stack Overflow
How to copy a dictionary and only edit the copy Asked 15 years, 8 months ago Modified 9 months ago Viewed 1 3m times
- Copying and pasting code directly into the Python interpreter
In particular about your example snippet - copy-pasted from SO's code-formatted section - it doesn't matter (assuming the code is properly indented to be executable) The empty line, however, does cause trouble in the standard python interpreter because it normally is the shell-s de-indent cmd
- How to override the copy deepcopy operations for a Python object . . .
I understand the difference between copy vs deepcopy in the copy module I've used copy copy and copy deepcopy before successfully, but this is the first time I've actually gone about overloading
- python - What is the difference between shallow copy, deepcopy and . . .
Below code demonstrates the difference between assignment, shallow copy using the copy method, shallow copy using the (slice) [:] and the deepcopy Below example uses nested lists there by making the differences more evident
- shutil - How do I copy an entire directory of files into an existing . . .
How do I copy an entire directory of files into an existing directory using Python? Asked 15 years, 11 months ago Modified 8 months ago Viewed 629k times
- python - How to duplicate virtualenv? - Stack Overflow
I have an existing virtualenv with a lot of packages but an old version of Django What I want to do is duplicate this environment so I have another environment with the exact same packages but a n
- python - How do I copy a file? - Stack Overflow
How do I copy a file in Python?copy2(src,dst) is often more useful than copyfile(src,dst) because: it allows dst to be a directory (instead of the complete target filename), in which case the basename of src is used for creating the new file; it preserves the original modification and access info (mtime and atime) in the file metadata (however, this comes with a slight overhead) Here is a
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