This blog has a really interesting assortment of articles on mathematics and programming. You can use the tags to your right to find topics that interest you, or you may want to have a look at
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Today I learned that Python 3.5+ supports the operator
@ for matrix multiplication.
Today I learned that you can use emojis as variable names in Python if you use
Today I learned that Python generators can return a value.
Today I learned about the built-in function
vars in Python.
Can you draw 4 triangles in this 5 by 5 grid, covering all dots?