Display a float with two decimal places in Python

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

Answer 1

I know it is an old question, but I was struggling finding the answer myself. Here is what I have come up with:

Python 3:

>>> num_dict = {'num': 0.123, 'num2': 0.127}
>>> "{0[num]:.2f}_{0[num2]:.2f}".format(num_dict) 
0.12_0.13