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Use 'key' kwarg in min/max/sorted when calculating with dicts #3

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Use 'key' kwarg in min/max/sorted when calculating with dicts #3

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9 changes: 5 additions & 4 deletions src/1/calculating_with_dictionaries/example.py
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Original file line number Diff line number Diff line change
@@ -1,6 +1,7 @@
# example.py
#
# Example of calculating with dictionaries
from operator import itemgetter

prices = {
'ACME': 45.23,
Expand All @@ -11,15 +12,15 @@
}

# Find min and max price
min_price = min(zip(prices.values(), prices.keys()))
max_price = max(zip(prices.values(), prices.keys()))
min_price = min(prices.items(), key=itemgetter(1))
max_price = max(prices.items(), key=itemgetter(1))

print('min price:', min_price)
print('max price:', max_price)

print('sorted prices:')
prices_sorted = sorted(zip(prices.values(), prices.keys()))
for price, name in prices_sorted:
prices_sorted = sorted(prices.items(), key=itemgetter(1))
for name, price in prices_sorted:
print(' ', name, price)