water = float(input("enter total water (liters):"))
unit_count = int(input("who many unit in the bulding"))
number = 1
total_living = 0
unit_detail = []
while number <= unit_count:
#print("unit",number,":")
living = int(input("who many living in the unit:"))
unit_detail.append({"unit":number,"living":living})
total_living += living
number += 1
consumption_per_person = water / total_living
expens_of_water = water * 500
print("avrage using water:", water)
print("avreag consumption per person:", consumption_per_person)
for unit in unit_detail:
unit_water = consumption_per_person * unit["living"]
unit_cost = unit_water * 500
print(f"unit: {unit['unit']}")
print(f"Personal: {unit['living']}")
print(f"unit water: {unit_water:.2f} liters")
print(f"unit cost:: {unit_cost:.2}")`