Sometimes, we want to count the occurrences of a list…
Sometimes, we want to append to a file with Python.…
Sometimes, we want to check if a string is a…
Sometimes, we want to pad zeroes to a string with…
Sometimes, we want to get the cartesian product of a…
Sometimes, we want to disable output buffering with Python. In…
Sometimes, we want to get a list all primes below…
Sometimes, we want to redirect stdout to a file in…
Sometimes, we want to find the index of an item…
Sometimes, we want to check if a string is empty…