Question

You want a custom exception ApiError that stores an error code and message, and returns a string like 'Error 404: Not Found' when printed. Which implementation is best?

Accepted Answer

class ApiError(Exception):
    def __init__(self, code, message):
        super().__init__(message)
        self.code = code
    def __str__(self):
        return f'Error {self.code}: {self.args[0]}'

Answer

class ApiError(Exception):
    def __init__(self, code, message):
        self.code = code
        self.message = message
    def __str__(self):
        return f'Error {self.code}: {self.message}'

Answer

class ApiError(Exception):
    def __init__(self, code, message):
        self.code = code
        self.message = message

Answer

class ApiError(Exception):
    def __str__(self):
        return 'Error occurred'

You want a custom exception ApiError that stores an error code and message, and returns a string like 'Error 404: Not Found' when printed. Which implementation is best?

Step 1: Initialize base Exception properly

Step 2: Store error code

Step 3: Customize string output

Step 4: Why use self.args[0]?

Final Answer:

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