# name of days
name_of_days = ["Monday", "Tuesday", "Wednesday",
                "Thursday", "Friday", "Saturday", "Sunday"]
miles_of_car = []  # empty list

# for loop for day in each week
for day in name_of_days:
    # loop until user doesn't enter valid range of the miles
    while True:
        miles_for_day = input(f"Enter miles for {day} :\n")
        if miles_for_day.isalpha() or float(miles_for_day) < 0:
            print("Please try again")
        else:
            miles_for_day = float(miles_for_day)
            miles_of_car.append(miles_for_day)
            break


total_miles = sum(miles_of_car)  # calculate total miles
# calculate cost of petrol of total miles
cost_of_petrol = round((total_miles/11.2)*1.35, 2)

# print the results
print(f"The total mileage was: {total_miles}")
print(f"The cost of petrol : {cost_of_petrol}")