Mathspp Blog

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When you call a function in Python and give it some arguments... Are they passed by value? No! By reference? No! They're passed by assignment.

Today I learned how the rich comparison protocol and, in particular, how eq works behind the scenes.

Can you help these kids trick or treat their entire neighbourhood in this Halloween special?

How can two doctors operate two patients with only two pairs of latex gloves?!

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 pythonji.

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?

Today I learned that the .join method in Python is a two-pass algorithm, and that's why joining a list comprehension is faster than a generator expression.

Today I learned about the math.nextafter method.

This Pydon't will teach you how to use Python's conditional expressions.

Today I learned that files can also be unpacked in Python.

This Pydon't will teach you the basics of list comprehensions in Python.

Today I learned strings can also be unpacked in Python.

Today I learned about an algorithm that Python uses to sort out inheritance.

Figure out the number I'm thinking of with a single question!

Today I learned about the ICPO rule for attribute lookup in Python.

Today I learned about a fake chess-playing AI from the 1700s.

Today I learned how to do ceiling division in Python just with //.