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Python: Get the top three items in a shop

Python dictionary: Exercise-30 with Solution

Write a Python program to get the top three items in a shop.

Sample Solution:-

Python Code:

from heapq import nlargest
from operator import itemgetter
items = {'item1': 45.50, 'item2':35, 'item3': 41.30, 'item4':55, 'item5': 24}
for name, value in nlargest(3, items.items(), key=itemgetter(1)):
    print(name, value)

Sample Output: 

item4 55                                                                                                      
item1 45.5                                                                                                    
item3 41.3

Pictorial Presentation:

Python Dictionary: Get the top three items in a shop.

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Python: Tips of the Day

Generator comprehension:

# A generator comprehension is the lazy version of a list comprehension.
>>> m = (x ** 2 for x in range(5))
>>> m
<generator object <genexpr> at 0x108efe408>
>>> list(m)
[0, 1, 4, 9, 16]

>>> m = (x ** 2 for x in range(5))
>>> next(m)
0
>>> list(m)
[1, 4, 9, 16]