utils.py 332 B

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  1. # -*- coding: utf-8 -*-
  2. """Utility functions."""
  3. def add_two_numbers(number_left, number_right):
  4. """Add two numbers."""
  5. if not number_left:
  6. raise ValueError('Input number_left must be set.')
  7. if not number_right:
  8. raise ValueError('Input number_right must be set.')
  9. return number_left + number_right