Challenge
Counter
…per level": replace the dict and counts.get() with collections.Counter, which starts every key at 0, then list the levels from most to least common with most_common().
Results for “collections”
8 results
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Challenge
Log analyser
Turn the launch-day mission log into answers: parse each line into a dict, count the entries per level and per hour, find the first ERROR, then rank the subsystems by how many warnings they raised.
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Example
Creating Lists
Lists store multiple elements in a specific order. Basics of working with lists.
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Quiz
Python Data Types Quiz
…types: numbers, text, True and False , None , and the four collections you will use all the time. What the quiz covers Numbers: int and float , mixing them and why 0.1 + 0.2 is not exactly 0.3 Text (…
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Article Python Fundamentals
Variables and data types in Python
…engines_active = False Complex Data Types Lists Ordered collections of items, great for storing sequences of data: planet_names = ["Mercury", "Venus", "Earth", "Mars"] temperatures = [167, 464, 15…
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Example
For Loop Basics
For loop iterates through sequence elements. Basic iteration over lists.
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Article Mini projects
Medical dispenser - Don’t trust the user
…need the secure approach shown later. import time from collections import deque class MonotonicMedicationDispenser: """Uses monotonic time - can't be tricked by system clock changes Note: This only…
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Article Mini projects
Calculate your weight on different planets in Python
…in m/s². What's a Dictionary? In Python, a dictionary is a collection of key-value pairs. It's like a real-world dictionary where you have a word (the key) and its definition (the value). In our…
