Method headings

Solutions/3_8/tableformat.py:24–26

(self, headers)

class TextTableFormatter(TableFormatter):
    def headings(self, headers):
        print(' '.join('%10s' % h for h in headers))
        print(('-'*10 + ' ')*len(headers))
    
    def row(self, rowdata):
        print(' '.join('%10s' % d for d in rowdata))