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Merged
realpython-bot merged 2 commits into from
Oct 21, 2026
Merged

Sync python-dicts with the updated tutorial #906

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9c2ebfe
Sync python-dicts with the maintenance update of Dictionaries in Python
realpython-bot Oct 21, 2026
c89cbfd
Merge branch 'master' into maintenance/python-dicts-20261021
realpython-bot Oct 21, 2026
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2 changes: 2 additions & 0 deletions python-dicts/README.md
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@@ -1,3 +1,5 @@
# Dictionaries in Python

This folder provides the code examples for the Real Python tutorial [Dictionaries in Python](https://realpython.com/python-dicts/).

The code requires Python 3.9 or later and has no third-party dependencies.
20 changes: 17 additions & 3 deletions python-dicts/dict_zip.py
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@@ -1,4 +1,18 @@
cities = ["Colorado", "Chicago", "Boston", "Minnesota", "Milwaukee", "Seattle"]
teams = ["Rockies", "White Sox", "Red Sox", "Twins", "Brewers", "Mariners"]
places = [
"Colorado",
"Chicago",
"Boston",
"Minnesota",
"Milwaukee",
"Seattle",
]
teams = [
"Rockies",
"White Sox",
"Red Sox",
"Twins",
"Brewers",
"Mariners",
]

print(dict(zip(cities, teams, strict=False)))
print(dict(zip(places, teams)))
8 changes: 4 additions & 4 deletions python-dicts/membership.py
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Expand Up @@ -11,16 +11,16 @@

# Run timeit to compare the membership test
time_in_dict = timeit.timeit(
'"Milwaukee" in MLB_teams', globals=globals(), number=1000000
'"Milwaukee" in MLB_teams', globals=globals(), number=1_000_000
)
time_in_keys = timeit.timeit(
'"Milwaukee" in MLB_teams.keys()', globals=globals(), number=1000000
'"Milwaukee" in MLB_teams.keys()', globals=globals(), number=1_000_000
)
time_not_in_dict = timeit.timeit(
'"Indianapolis" in MLB_teams', globals=globals(), number=1000000
'"Indianapolis" in MLB_teams', globals=globals(), number=1_000_000
)
time_not_in_keys = timeit.timeit(
'"Indianapolis" in MLB_teams.keys()', globals=globals(), number=1000000
'"Indianapolis" in MLB_teams.keys()', globals=globals(), number=1_000_000
)

print(
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