I didn't know until now that you can directly join stuff to a string without introducing a variable. you learn something every day ig.

Good

genious

Best practice for pythonist.

Elegant solution for 'if/else 0'. Every time forget about if, however met it several times before.

I dont C/P. I am printed, dude...

this is probably the fastest solution, possibly because it does not use the ** (square) operator. I compared these top two solutions using timeit

Ok, this is genius!

i am ashamed of my solution now....

This is the py2 habit. Py3 code would be more readable by simply using '/' (without the casting).
Some nasty mistakes I have made though when I forgot to use casting in C++ division.