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Using doctest

The doctest module provides a straightforward way to test your functions using examples included in docstrings. In this exercise, you'll have the opportunity to practice testing with the doctest module.

The doctest module has already been pre-loaded into your environment.

Diese Übung ist Teil des Kurses

<Kurs>Case Study: Building Software in Python</Kurs>
Kurs ansehen

Übungsanweisungen

  • In the FinancialCalculator class, calculate the monthly interest, which is the quotient of the yearly interest and the number of months in a year (12).
  • Use the relevant function from the doctest module to test your function's example code.

Remember, doctest provides only an output if the code/docs are incorrect.

Interaktive praktische Übung

Versuche dich an dieser Übung, indem du diesen Beispielcode vervollständigst.

class FinancialCalculator(BasicCalculator):
    def monthly_interest(self, annual_interest_rate):
      '''
      >>> monthly_interest(0.06)
      0.005
      '''
      # Calculate the quotient of the annual_interest_rate and 12 (the number of months in a year).
      return self.divide(____, ____)

# Run doctest
____
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