Level 3Exercise #72
Common inventory only
Return the minimum shared quantities between two inventories.
What you’ll practice
This Level 3 exercise focuses on Counter intersection in the Collections curriculum. Solve the challenge prompt above using clear, idiomatic Python and the relevant language or standard-library tools.
Relevant Python reference: collections.Counter.
Sample Test Cases
Example #1
Input:
common_stock({'pen':4,'book':1}, {'pen':2,'book':3})Output:
Counter({'pen':2,'book':1})Further Reading
Reference Solution
Reveal Reference Solution
def common_stock(left: dict, right: dict): from collections import Counter return Counter(left) & Counter(right)Pro Tips & Keyboard Shortcuts
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