What does a CSV reader return?

What does CSV reader function return?

According to csv. reader documentation: Each row read from the csv file is returned as a list of strings.

What is the role of CSV reader?

Example 1: Read CSV files with csv. Then, the csv. reader() is used to read the file, which returns an iterable reader object. The reader object is then iterated using a for loop to print the contents of each row.

Does CSV reader read the whole file?

It is only a pointer it will not load the whole file in the memory. However, it actually depends on the way you are opening the file. .read() loads the complete file in the ram.

What function returns a CSV writer object for a file?

The csv. writer() function returns a writer object that converts the user's data into a delimited string. This string can later be used to write into CSV files using the writerow() function.