---
title: Step-by-Step Guide: Writing a For Loop to Print Each Contact in Contact_Emails for Better Data Management
author: Creative Tech Writer
date: 2021-09-01
---
Managing your contact emails effectively is essential for any developer or business. This guide will show you how to write a for loop to print each contact in your contact_emails list for better data management. By the end of this tutorial, you will be able to create a script that loops through your contact list and prints each contact's email address.
## Prerequisites
Before you begin, make sure you have a basic understanding of [Python](https://www.python.org/) and [for loops](https://www.w3schools.com/python/python_for_loops.asp).
## Step 1: Create a list of contact emails
First, you need to create a list containing your contact emails. Here's an example of how to create a list in Python:
```python
contact_emails = ["[email protected]", "[email protected]", "[email protected]"]
Step 2: Write the for loop
Now that you have a list of contact emails, it's time to write a for loop that iterates through each contact and prints their email address. Here's an example of how to write a for loop in Python:
for contact in contact_emails:
print(contact)
Step 3: Run the script
Save your script as a .py file (e.g., print_contacts.py) and run it using your Python interpreter. You should see each contact email printed on a new line.
$ python print_contacts.py
[email protected]
[email protected]
[email protected]
Congratulations! You have successfully written a for loop to print each contact in your contact_emails list.
FAQ
1. Can I use a different programming language to write the for loop? {#faq1}
Yes, you can use any programming language that supports for loops. The syntax may vary depending on the language you choose. For example, here's how to write a for loop in JavaScript:
const contact_emails = ["[email protected]", "[email protected]", "[email protected]"];
for (let contact of contact_emails) {
console.log(contact);
}
2. How can I sort the contact_emails list alphabetically? {#faq2}
You can use the sorted() function in Python to sort the list alphabetically:
sorted_contact_emails = sorted(contact_emails)
for contact in sorted_contact_emails:
print(contact)
3. How can I filter the contact_emails list based on a specific domain? {#faq3}
You can use a list comprehension in Python to filter the contact_emails list based on a specific domain:
domain = "example.com"
filtered_contact_emails = [contact for contact in contact_emails if contact.endswith(domain)]
for contact in filtered_contact_emails:
print(contact)
4. How can I save the printed contact emails to a file? {#faq4}
You can use the with open() statement in Python to write the contact emails to a file:
file_name = "contact_emails.txt"
with open(file_name, "w") as file:
for contact in contact_emails:
file.write(contact + "\n")
5. How can I add more contacts to the contact_emails list? {#faq5}
You can use the append() method in Python to add more contacts to the contact_emails list:
new_contact = "[email protected]"
contact_emails.append(new_contact)
for contact in contact_emails:
print(contact)