Practice module 3

>Data Structures: coding practice

Start with the lesson drills, then combine the ideas in the module labs. Every task has automatic checks, progressive hints, reset and a solution.

Module coding progress9 exercises available

Lesson coding drills

One focused editor exercise for every lesson in this module. (0/5 passed this visit)

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Create numbers = [4, 1, 3]. Append 2, sort the list in place, then print it.

Expected output: [1, 2, 3, 4]

# Write your code below

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Make a tuple city = ('Paris', 'France'). Unpack it into name and country, then print name.

Expected output: Paris

# Write your code below

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Set text = ' red,blue '. Remove surrounding spaces, split on the comma, then join the colors with ' | ' and print the result.

Expected output: red | blue

# Write your code below

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Create fruit = {'apple': 3, 'pear': 2}. Add 'banana' with value 5, then print fruit['banana'].

Expected output: 5

# Write your code below

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Use a list comprehension to make doubled from numbers = [2, 3, 4], with every number multiplied by 2. Print doubled.

Expected output: [4, 6, 8]

# Write your code below

Real Python, real checks: write your answer, press Run checks, and keep going until it passes. (0/4 passed this visit)

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Starting from ["rice", "oil"], append "dates", then print the whole list followed by its length on one line — like ['rice', 'oil', 'dates'] 3.

basket = ["rice", "oil"]
# append dates, then print list and length

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Cricket scores: [88, 101, 45]. Print the highest score without sorting the list manually — there is a built-in for that.

scores = [88, 101, 45]
# print the highest

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The log ["Mim", "Rafi", "Mim"] has repeats. Print how many UNIQUE visitors there are.

log = ["Mim", "Rafi", "Mim"]
# count unique names

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With marks = {"Mim": 78}, print Mim's marks AND Rafi's using .get() with default 0 — expecting 78 0.

marks = {"Mim": 78}
# print both lookups safely

Related entries from PyLabs's own reference library.