What is the meaning of [:] in python

 

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  • Understanding Python's slice notation 29 answers

    • [:] is the array slice syntax for every element in the array.

    This answer here goes more in depth of the general uses: Explain Python's slice notation 

    del arr # Deletes the array itself
del arr[:]  # Deletes all the elements in the array
del arr[2]  # Deletes the second element in the array
del arr[1:]  # etc..
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