How to efficiently read a file line by line in Python

Efficiently reading a file line by line uses the least amount of memory possible. Using techniques such as a for-loop to iterate over the contents of a file is more efficient compared to making each line a member of list.

Solution for How to efficiently read a file line by line in Python : You can use the with keyword to open the file in a cost effective manner Using the with keyword, create a with-statement and call open(file) to open file. Use a for-loop to read each line in the file. with condenses different operations such as oppening and closing the file, and a for-loop triggers memory-saving techniques, like buffered I/O.


how-to-efficiently-read-a-file-line-by-line-in-python