flags

Flags

Slicing NumPy arrays allows you to edit rectangular blocks of data.

Here is the code that carves out a red square from the image:

.. literalinclude:: flags.py

Hints

• the slicing contains an interval from:to for each dimension
• the smallest from value is zero
• the highest to value is the size of that dimension plus one
• negative numbers count from the back
• both from and to can be omitted

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Challenge

Draw the flag of a country of your choice, e.g.: