Sorting through a multidimensional array in python

Question

I am trying to find the most efficient method of sorting, testing and assignment through a multi-array in python.

Here is a multi array: containing data of users

persons = [['Person 1', 15, 'USA', 'BLACK'],
           ['Person 2', 12, 'AUS', 'WHITE'],
           ['Person 3', 34, 'CAN', 'PINK'],
           ['Person 4', 18, 'CHINA', 'BLUE']]

Here is my code for sorting through. It doesn't work. Result: Getting 'NOT FOUND!'.

    persons_profile = []
    for i, item in enumerate(persons):

        persons_profile .append(item)
        if(persons_profile [0] == 'Person 1'):
             person_id = persons_profile [0]
             person_age = persons_profile [1]
             person_country = persons_profile [2]
             person_color = persons_profile [3]
             print "Person id", persons_profile [O]
             some_function()

        elif(persons_profile [0] == 'Person 2'):
             person_id = persons_profile [0]
             person_age = persons_profile [1]
             person_country = persons_profile [2]
             person_color = persons_profile [3]
             print "Person id", persons_profile [O]
             some_function()

        elif(persons_profile [0] == 'Person 3'):
            person_id = persons_profile [0]
             person_age = persons_profile [1]
             person_country = persons_profile [2]
             person_color = persons_profile [3]
             print "Person id", persons_profile [O]
             some_function()

        elif(persons_profile [0] == 'Person 4'):
            person_id = persons_profile [0]
             person_age = persons_profile [1]
             person_country = persons_profile [2]
             person_color = persons_profile [3]
             print "Person id", persons_profile [O]
             some_function()

        else:
            print "NOT FOUND!"

What is the best way to sort and test if the item 0, 1, 2, 3 in index 0, 1, 2, 3 in the multi-array equal something?

xiº · Accepted Answer · 2016-03-31 09:14:36Z

1

persons_profile.append(item)

Here you are putting list item into list persons_profile.

and here:

if persons_profile[0] == 'Person 1':

You are comparing str with list.

And finally since it always False you are going to else branch.

edited Mar 31, 2016 at 9:14

answered Mar 31, 2016 at 9:04

xiº

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2 Comments

Code2016 Over a year ago

Hi @xi_ How do I go about comparing an item of str/int type inside a list inside list persons_profile? – Code2016 12 mins ago

xiº Over a year ago

@Code2016 you should go inside list: if persons_profile[0][0] == 'Person 1':

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