This tutorial explains how to merge an array containing label and other one containing data into a dictionary in Python

Abstract

We sometimes come across a situation where we have labels (or headers) in an array while data for these are in another set of arrays. However, in order to pass this data around, we normally use JSON format that requires a dictionary like data structure containing mapping of label to its correspoding data attributes.

Implementation

Typical way of doing it is to iterate over set of Arrays containing data and then creating a dictionary containing key from labels array and value from data array.

However, python makes it super easy to deal with, using a combination of zip and dict method as shown in below program -

labels = ['tutorialName','tutorialCateogry']

data = [
    ['Merging Arrays', 'Python Basics'],
    ['Developing Consumers', 'Apache Kafka']
]

print [dict(zip(labels, datum)) for datum in data]

Here is the output that this program generates -

[{'tutorialCateogry': 'Python Basics', 'tutorialName': 'Merging Arrays'}, {'tutorialCateogry': 'Apache Kafka', 'tutorialName': 'Developing Consumers'}]

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