Basic Python and python tutorials

Basic Python and python tutorials

Sorting dictionary values is a pseudo proposition.
The dictionary itself cannot be sorted and has been sorted by the key, but the list and metadata can be sorted. Therefore, the dictionary needs to be sorted after the list is converted.
For example

import operatorx = {1: 2, 3: 4, 4: 3, 2: 1, 0: 0}sorted_x = sorted(x.items(), key=operator.itemgetter(1))

It is the sorting after the conversion list, dict (sorted_x) = x, the list conversion dictionary.

Code

#-*-Coding: UTF-8-*-import operatorx = {1: 2, 3: 4, 4: 3, 2: 1, 0: 0} # Sort sorted_x = sorted (x. items (), key = operator. itemgetter (1) print 'X = '+ str (x) print 'sorted _ x =' + str (sorted_x) print 'dict (sorted_x) = '+ str (dict (sorted_x) x = {1: 2, 3: 4, 4: 3, 2: 1, 0: 0} sorted_x = sorted (x. items (), key = operator. itemgetter (0) print 'X = '+ str (x) print 'sorted _ x =' + str (sorted_x) print 'dict (sorted_x) = '+ str (dict (sorted_x) "output: x = {0: 0, 1: 2, 2: 1, 3: 4, 4: 3} sorted_x = [(0, 0), (2, 1), (1, 2), (4, 3), (3, 4)] dict (sorted_x) = {0: 0, 1: 2, 2: 1, 3: 4, 4: 3} x = {0: 0, 1: 2, 2: 1, 3: 4, 4: 3} sorted_x = [(0, 0), (1, 2), (2, 1), (3, 4), (4, 3)] dict (sorted_x) = {0: 0, 1: 2, 2: 1, 3: 4, 4: 3 }"""

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