Path 1: 10 calls (1.0)

→ width 2 (9) 9 (1)

↩ return 'Mo Tu We Th Fr Sa Su' (9) ' Monday Tuesday Wednesday Thursday Friday Saturday Sunday ' (1)

1 run 0 not run

1def formatweekheader(self, width):
2        """
3        Return a header for a week.
4        """
5        return ' '.join(self.formatweekday(i, width) for i in self.iterweekdays())