Path 1: 54 calls (1.0)
→ firstweekday 0 (34) 3 (5) 1 (3) 2 (3) 4 (3) 5 (3) 6 (3)
1def __init__(self, firstweekday=0): 2 self.firstweekday = firstweekday # 0 = Monday, 6 = Sunday