class Calc:
@staticmethod
def get_avg(*values):
if not values:
return 0
return sum(values) / len(values)
avg = Calc.get_avg(1, 2, 3, 4)
# avg is 2.5
# * unpacks a list into arguments
numbers = [1, 2, 3, 4]
from_list = Calc.get_avg(*numbers)
# from_list is 2.5
print(f"{avg = }")
print(f"{from_list = }")