python - How to display a float with two decimal places?

Question

I have a function taking float arguments (generally integers or decimals with one significant digit), and I need to output the values in a string with two decimal places (5 → 5.00, 5.5 → 5.50, etc). How can I do this in Python?

Answer 1

Since this post might be here for a while, lets also point out python 3 syntax:

"{:.2f}".format(5)