Sometimes, we want to convert a string to lowercase in…
Sometimes, we want to define static class variables in Python.…
Sometimes, we want to get the number of elements in…
Sometimes, we want to call a function of a module…
Sometimes, we want to check if an object has an…
Sometimes, we want to read a file line-by-line into a…
Sometimes, we want to make a time delay in Python.…
Sometimes, we want to limit floats to two decimal points…
Sometimes, we want to print literal curly-brace characters in a…
Sometimes, we want to add static methods in Python classes.…