Challenge
Flight software review
…check has five bugs: a syntax error, a type error, a wrong key, an index out of range and a reversed decision. Read each error to fix the four that crash, then find the one that runs but gives the…
Results for “key”
Showing 11–20 of 62
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Challenge
Line to record
…then let other code pick out one sensor's readings by key.
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Quiz
Python Dictionaries Quiz
Free beginner quiz on Python dictionaries: 15 questions on keys and values, get(), in, pop(), update(), loops and nested dictionaries. Instant answers.
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Quiz
Python Variable Scope Quiz
…on local and global variables, the global and nonlocal keywords, and nested functions.
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Quiz
Python Error Messages Quiz
…and fix – NameError, TypeError, ValueError, IndexError, KeyError, IndentationError and ZeroDivisionError.
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Challenge
Any number of values
…loose values and with a list unpacked by *, then add a keyword-only decimals option after *values and return None when there are no values.
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Challenge
Alert deduplicator
The monitoring system raises the same alert over and over. Group repeats of an alert that come within 60 seconds of the first into one line with a count, in the order they first appeared, then add the…
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Challenge
Mass by category
…(41%) crew: 3.4 kg (3%) spares: 2.4 kg (2%) sorted(totals, key=totals.get, reverse=True) gives the categories ordered by their totals. sum(totals.values()) is the whole load.
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Challenge
Settings with defaults
…they haven't changed falls back, then warn about unknown keys instead of saving them.
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Example
Iterating Over Dictionary
Looping through keys, values or key-value pairs of a dictionary.