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Python Dictionary and List Operations Speed Typing Drill

Improve Python typing speed and accuracy by practicing realistic dictionary and list operations with comprehensions, merging, sorting, nested data, lookups, and list methods.

60s testintermediateCode passage

Instructions

Type the code exactly as shown. Preserve indentation, quotes, brackets, commas, colons, operators, and spacing. Focus on accuracy first, especially Python indentation, then improve your speed with repeated attempts.

Timer01:00

WPM0

Accuracy100%

Progress0%

Mistakes0

Type here

Use Tab for ⇄ and Enter for ↵

# Merge dictionaries and combine duplicate values↵ ↵ dict_a = {'apple': 2, 'banana': 5}↵ dict_b = {'banana': 3, 'cherry': 7}↵ ↵ merged = {**dict_a, **dict_b}↵ ↵ for key in dict_a:↵ if key in dict_b:↵ merged[key] = dict_a[key] + dict_b[key]↵ ↵ # Build stock data with a dictionary comprehension↵ fruits = ['apple', 'banana', 'cherry', 'date']↵ stock = {fruit: index * 10 for index, fruit in enumerate(fruits, 1)}↵ ↵ available = [fruit for fruit in fruits if stock[fruit] > 20]↵ ↵ # Sort dictionaries using a nested value↵ items = [↵ {'id': 1, 'data': {'value': 15}},↵ {'id': 2, 'data': {'value': 5}},↵ {'id': 3, 'data': {'value': 25}},↵ ]↵ ↵ items.sort(key=lambda item: item['data']['value'])↵ ↵ # Read optional settings with a default value↵ settings = {'mode': 'auto', 'retries': 3}↵ timeout = settings.get('timeout', 30)↵ retries = settings.get('retries', 1)↵ ↵ # Update and remove list items↵ tasks = ['clean', 'build', 'test', 'deploy']↵ last_task = tasks.pop()↵ tasks.append('lint')↵ ↵ summary = {↵ 'merged': merged,↵ 'available': available,↵ 'first_item': items[0],↵ 'timeout': timeout,↵ 'retries': retries,↵ 'last_task': last_task,↵ 'tasks': tasks,↵ }↵ ↵ print(summary)

The passage stays in place while your typed text lines up directly on top of it. Tip: use `Tab` for `⇄` and `Enter` for `↵` while typing the passage.

Progress0%

Correct chars: 0Typed chars: 0Mistakes: 0Status: Ready