如何在 Python 中对基于数组的字典进行排序

Question

I have data that has been arranged in the following format

products{} = {'001':['001','Espreso',2.50], 
              '002':['002', 'Latte',1.50], 
              '003':['003', 'Orange Juice',1.00],
              '004':['003', 'Apple Juice',1.00], 
              }

I would like to sort the dictionary based on price so that I can get the following output.

products{} = {'003':['003', 'Orange Juice',1.00],
              '004':['003', 'Apple Juice',1.00],
              '002':['002', 'Latte',1.50],
              '001':['001','Espreso',2.50], 
              }

Being a newbie to python, I cant seem to find a proper guidance to sort this. I have an array as value.

Please guide how to achiece this? Is this even a correct way of assigning array as value to a key.? Is this known as ordered dictionary?

Answer 1

To sort dictionary you can pass it's items into a sorted() and initialize new dictionary from sorted key-value pairs.

To sort items of your dictionary by last element of value, we should pass to key argument of sorted() a lambda which will return receive key-value pair and return last element ( -1 index) of value ( 1 index) .

Code:

products = {
    '001':['001','Espreso',2.50], 
    '002':['002', 'Latte',1.50], 
    '003':['003', 'Orange Juice',1.00],
    '004':['003', 'Apple Juice',1.00]
}
sorted_products = dict(sorted(products.items(), key=lambda x: x[1][-1]))