Write pandas DataFrame to CSV File with & without Header in Python (2 Examples)

 

This tutorial demonstrates how to save a pandas DataFrame as a CSV File with and without header in Python programming.

The article contains this content:

Let’s start right away:

 

Example Data & Software Libraries

We first need to load the pandas library:

import pandas as pd                        # Import pandas

Furthermore, have a look at the example data below:

data = pd.DataFrame({'x1':range(9, 16),    # Create pandas DataFrame
                     'x2':[2, 3, 6, 2, 3, 1, 8],
                     'x3':['a', 'b', 'c', 'd', 'e', 'f', 'g'],
                     'x4':range(27, 20, - 1)})
print(data)                                # Print pandas DataFrame

 

table 1 DataFrame write pandas dataframe csv file without header python

 

Have a look at the previous table. It shows that the pandas DataFrame is constructed of seven rows and four columns.

 

Example 1: Write pandas DataFrame as CSV File with Header

In Example 1, I’ll show how to create a CSV file containing a pandas DataFrame with a header.

This task is actually quite straightforward, since Python exports the header of a data set by default.

If we want to write a pandas DataFrame to a CSV file with a header, we can use the to_csv function as shown below:

data.to_csv('data_header.csv')             # Export pandas DataFrame as CSV

After running the previous Python code, a new CSV file containing one line with the column names of our pandas DataFrame will appear in your working directory.

 

Example 2: Write pandas DataFrame as CSV File without Header

Example 2 shows how to create a CSV output containing a pandas DataFrame where the header is ignored.

For this, we have to specify the header argument within the to_csv function as shown in the following Python syntax:

data.to_csv('data_no_header.csv',          # Export pandas DataFrame as CSV
            header = False)

After executing the Python code above, another CSV file will show up, which has no header in the first row of the file.

 

Video & Further Resources

Do you want to know more about the printing of a pandas DataFrame to a CSV File with and without header? Then I recommend watching the following video on my YouTube channel. In the video, I demonstrate the Python programming code of this tutorial.

 

The YouTube video will be added soon.

 

Besides that, you may read some of the other tutorials on my website. I have published several tutorials about topics such as text elements, indices, and lists.

 

Summary: In this post, I have illustrated how to export, download, print, and save a pandas DataFrame as a CSV File with and without header in the Python programming language. Let me know in the comments, if you have additional comments or questions.

 

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