Quiz
Python Return Values Quiz
Free beginner quiz on Python return values: 15 questions on return, None, several values, lists, dictionaries and early exit. Instant answers.
Results for “python return”
Showing 1–10 of 78
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Example
Return Statement Basics
Return statement returns a value from function. Function can perform calculations and give result.
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Challenge
Prints instead of returns
to_kelvin() prints its result instead of returning it, so the caller gets None. Predict the last line, find out what the function gives back, fix it with return, then write a conversion function that…
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Example
Returning Multiple Values
Function can return multiple values as a tuple. Unpacking on assignment.
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Example
Returning Dictionary or List
Functions can return complex data structures like dictionaries or lists.
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Quiz
Python Functions Quiz
…beginner quiz on Python functions: 15 questions on def, return, arguments, default values, *args, scope and docstrings. Instant answers.
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Challenge
Silent branch
status_light() returns None for Scrub because that branch sets a variable but never returns it. Predict the last line, find which statuses give None, make every path return, then write a function…
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Challenge
Guard clauses
…the four nested ifs in can_dock() as guard clauses that return a reason as soon as a check fails, keeping every answer the same, then add a new docking rule as one more guard with a default parameter.
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Challenge
Summary function
Write summarise(readings), which returns the count, min, max and mean of a list of readings as one dict, then make it handle a pass with no data and round the mean, so any program can use the summary.
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Challenge
Launch counter crash
…the name as local, fix it by passing the count in and returning the new one, then write a fuel function the same way.