Here this example demonstrates the method of sorting a list of items based on their properties in Python.
Source Code
#! /usr/bin/env python3
# -*- coding: utf-8 -*-
# ce_sort_example.py
# Sort a list of students based on their scores
# build a dictionary from two lists
def createDict(list1, list2):
return list2dict(list1, list2)
# print dictionary data
def prinDict(dictName):
for (k, v) in dictName.items():
print(k, v)
# sort dictionary
# orderPosition = 0，sort by key；
# orderPosition = 1，sort by value；
def sortedDict(dictName, orderPosition):
return sorted(dictName.items(), key=lambda d:d[orderPosition],
reverse=True)
# combine two lists to build a dictionary
def list2dict(list1, list2):
return dict(zip(list1, list2))
def computeMax(dictName):
return max(dictName.items(), key=lambda x:x[1])
def computeMin(dictName):
return min(dictName.items(), key=lambda x:x[1])
# format output
def formatTupleOutput(tupleName):
for item in tupleName:
print(item[0], item[1])
def main():
print("----------------------------")
personList = ["Kelly", "Vicky", "Peter", "John", "Steve"]
scoreList = [85, 90, 88, 93, 84]
dict = createDict(personList, scoreList)
print("Student list：")
prinDict(dict)
print("----------------------------")
print("Student list sorted by score：")
dictSortedResult = sortedDict(dict, 1)
formatTupleOutput(dictSortedResult)
print("----------------------------")
minValueOfDict = computeMin(dict)
print("The student with the lowest score： ")
print(minValueOfDict[0], minValueOfDict[1])
print("----------------------------")
maxValueOfDict = computeMax(dict)
print("The student with the highest score： ")
print(maxValueOfDict[0], maxValueOfDict[1])
print("----------------------------")
if __name__ == '__main__':
main()
After running the codes above, we can get these results:
