The dump() function of the pickle module performs unpickling.

The csv files can only take comma as delimiter.

Assertion. Python is said to have broadly two types of files - binary and text files, even when there are CSV and TSV files also.

Reason. The CSV and TSV are types of delimited text files only where the delimiters are comma and tab respectively.

Assertion. The file modes "r", "w", "a" work with text files, CSV files and TSV files alike.

Reason. The CSV and TSV are types of delimited text files only.