see all data in pandas code example

Example 1: how to view the complete data frame in pandas

pd.set_option("display.max_rows", None, "display.max_columns", None)

Example 2: how to add headings to data in pandas

Cov = pd.read_csv("path/to/file.txt", sep='\t')
Frame=pd.DataFrame(Cov.values, columns = ["Sequence", "Start", "End", "Coverage"])
Frame.to_csv("path/to/file.txt", sep='\t')