Writing a list to a file in python

To write a list into a file line by line we will use the write method. We are creating a file in write mode and loop over the element of the list one by one as well to write them in the file. In this example, we join all the lists using the join method and then writing all the list elements in one go. Let us understand with an example of how we can do this.

If the tutorial helped you, please let me know by leaving a comment below. Please enter at least 3 characters 0 results found. Abhishek Prakash. This quick tutorial demonstrates three methods to write a list to a file in Python scripting language. Writing a List to a File in Python Actually the methods I am going to discuss here are used for writing text to a file in Python. Method 1: Writing a list to a file line by line in Python using print The print command in Python can be used to print the content of a list to a file.

If you use the cat command to display the content of the output file , it will be this: New York London Paris New Delhi As you can see, the list elements have been written line by line in the output file. Method 3: Write all the lines to a file at once using writelines function The two other methods we saw wrote the content of the list to the file in line by line fashion.

Send login link. You may like Draw colored filled shapes using Python Turtle. In this example, I have taken a Python list of items and assigned them to a list mobile. In this example, we can see that a list as mobile containing some items in it. A CSV file is a comma-separated value file, It is a plain text file which uses some structure to arrange the items of lists in tabular format.

The methods involved are: open filepath, mode : Used to open the required file in the desired mode. The open method supports various modes of which three are of main concern: r: read default w: write a: append write : Inserts the string str1 in a single line in the text file. The with block ensures that once the entire block is executed the file is closed automatically. Reading list from the file, the file that was written in the example above is read in this example. The file is opened using the open method in read r mode.

The data read from the file is printed to the output screen. The file opened is closed using the close method. Skip to content. Change Language.