def get_total_weight(self):
total_weight = 0
for item in self.items:
total_weight += item.weight
return set_to_decimal(total_weight, self.number_of_decimals)
def get_filling_ratio(self):
total_filling_volume = 0
total_filling_ratio = 0
for item in self.items:
total_filling_volume += item.get_volume()
total_filling_ratio = total_filling_volume / self.get_volume()
return set_to_decimal(total_filling_ratio, self.number_of_decimals)
def format_numbers(self, number_of_decimals):
self.length = set_to_decimal(self.length, number_of_decimals)
self.height = set_to_decimal(self.height, number_of_decimals)
self.width = set_to_decimal(self.width, number_of_decimals)
self.capacity = set_to_decimal(self.capacity, number_of_decimals)
self.number_of_decimals = number_of_decimals
def get_volume(self):
return set_to_decimal(self.length * self.height * self.width,
self.number_of_decimals)
def format_numbers(self, number_of_decimals):
self.width = set_to_decimal(self.width, number_of_decimals)
self.height = set_to_decimal(self.height, number_of_decimals)
self.depth = set_to_decimal(self.depth, number_of_decimals)
self.max_weight = set_to_decimal(self.max_weight, number_of_decimals)
self.number_of_decimals = number_of_decimals