python-mastery/Solutions/9_4/stock.py

22 lines
504 B
Python
Raw Normal View History

2023-07-17 03:21:00 +02:00
# stock.py
from structly import *
class Stock(Structure):
name = String()
shares = PositiveInteger()
price = PositiveFloat()
@property
def cost(self):
return self.shares * self.price
def sell(self, nshares: PositiveInteger):
self.shares -= nshares
if __name__ == '__main__':
portfolio = read_csv_as_instances('../../Data/portfolio.csv', Stock)
formatter = create_formatter('text')
print_table(portfolio, ['name','shares','price'], formatter)