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About Yatin Batra

Yatin Batra
An experience full-stack engineer well versed with Core Java, Spring/Springboot, MVC, Security, AOP, Frontend (Angular & React), and cloud technologies (such as AWS, GCP, Jenkins, Docker, K8).

Python zip() function Example

Hello in this tutorial, we will explain the zip() function in the python programming language.

1. Introduction

The zip() function in python takes multiple iterables and aggregates them into a python tuple (i.e. collection of objects) and returns it. The syntax of zip() function in python programming is –

Syntax

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# iterables are the built-in iterables (like list, string, dict) or the user-defined variables
zip(*iterables)

The return value of the zip() function can be –

  • An empty iterator if we do not pass any parameter to the zip() function
  • An iterator of tuples with each tuple having only one element if a single iterable is passed to the zip() function
  • An iterator of tuples with each tuple having elements from all the iterables if multiple iterables are passed to the zip() function

1.2 Setting up Python

If someone needs to go through the Python installation on Windows, please watch this link. You can download the Python from this link.

2. Python zip() function Example

I am using JetBrains PyCharm as my preferred IDE. You are free to choose the IDE of their choice.

2.1 zip() function

Let us understand this with the help of a code snippet.

zip() function

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# zip() method in python creates an iterator that will aggregate elements from two or more iterables.
# Takes the iterable elements like input and returns the iterator.
 
names = ("John", "Lucifer", "Niklas", "John")
companies = ("Microsoft", "Apple", "Oracle", "Microsoft")
 
# Using "list".
zipped = list(zip(names, companies))
print("Zipped result via List = {}".format(zipped))
 
print("\n=====\n")
 
# Using "set" will give back the unique value and the order of values won't be maintained.
zipped1 = set(zip(names, companies))
print("Zipped result via Set = {}".format(zipped1))
 
print("\n=====\n")
 
# Using "dict" format.
zipped2 = dict(zip(names, companies))
print("Zipped result via Dict = {}".format(zipped2))
 
print("\n=====\n")
 
# Using "for loop" to print the result
# Using the "zipped" variable from line number 5.
print("Printing the zipped result via a loop.")
for (key, value) in zipped:
    print(key, "-", value)

If everything goes well the following output will be shown in the IDE console.

Console Output

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Zipped result via List = [('John', 'Microsoft'), ('Lucifer', 'Apple'), ('Niklas', 'Oracle'), ('John', 'Microsoft')]
 
=====
 
Zipped result via Set = {('Lucifer', 'Apple'), ('Niklas', 'Oracle'), ('John', 'Microsoft')}
 
=====
 
Zipped result via Dict = {'John': 'Microsoft', 'Lucifer': 'Apple', 'Niklas': 'Oracle'}
 
=====
 
Printing zipped results via a loop.
John - Microsoft
Lucifer - Apple
Niklas - Oracle
John - Microsoft

That is all for this tutorial and I hope the article served you with whatever you were looking for. Happy Learning and do not forget to share!

3. Summary

In this tutorial, we learned:

  • An introduction to zip() function in the python programming language
  • Sample program to under the zip() function

You can download the source code of this tutorial from the Downloads section.

4. Download the Project

This was an example of zip() function in the python programming language.

Download
You can download the full source code of this example here: Python zip() function example

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