Example
Returning Dictionary or List
Functions can return complex data structures like dictionaries or lists.
Results for “function”
Showing 21–30 of 86
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Challenge
Launch counter crash
…the count in and returning the new one, then write a fuel function the same way.
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Challenge
Test the alert levels
The engine alert check from "Alert level" is now a function, alert_level() , and other programs depend on it. Before anyone changes it again, it needs tests: small checks that run in a second and…
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Challenge
Prints instead of returns
…caller gets None. Predict the last line, find out what the function gives back, fix it with return, then write a conversion function that returns.
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Challenge
Docstring and type hints
…parameters and return value; the tests read both from the function itself.
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Challenge
Edge cases
…and lists with negative values, so broken copies of the function can't pass.
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Example
Returning Multiple Values
Function can return multiple values as a tuple. Unpacking on assignment.
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Example
Combining Different Argument Types
Combining regular parameters, *args and **kwargs in one function.
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Example
Positional and Keyword Arguments
…between positional and keyword arguments. Flexible function calling.
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Challenge
Clear error messages
…noticed until the fuel budget came out 62.5 kg short. A function that gets a value it can't work with should say so, loudly and clearly, at the moment it happens. Raise ValueError Make fuel_needed()…