fuel log

llsumitll

Oct 13th, 2024 (edited)

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Python 3.26 KB | Source Code | 0 0

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import json
from datetime import datetime
import os
class FuelLog:
def __init__(self, filename='fuel_logs.json'):
self.filename = filename
self.logs = self.load_logs()
def load_logs(self):
"""Load logs from the JSON file."""
if os.path.exists(self.filename):
with open(self.filename, 'r') as file:
return json.load(file)
return []
def save_logs(self):
"""Save logs to the JSON file."""
with open(self.filename, 'w') as file:
json.dump(self.logs, file, indent=4)
def add_log(self, date_time, odometer_reading, liters_filled, total_amount):
self.logs.append({
'date_time': date_time,
'odometer_reading': odometer_reading,
'liters_filled': liters_filled,
'total_amount': total_amount
})
self.save_logs() # Save logs after adding
def get_logs(self):
return self.logs
def calculate_average_consumption(self):
if not self.logs:
return 0
total_liters = sum(log['liters_filled'] for log in self.logs)
total_distance = sum(log['odometer_reading'] for log in self.logs)
if total_distance == 0:
return 0
return total_liters / total_distance * 100 # L/100 km
def display_menu():
print("\nFuel Management Application")
print("1. Add Fuel Log")
print("2. View Fuel Logs")
print("3. Calculate Average Consumption")
print("4. Exit")
def main():
fuel_log = FuelLog()
while True:
display_menu()
choice = input("Choose an option (1-4): ")
if choice == '1':
date_time = input("Enter Date and Time (YYYY-MM-DD HH:MM): ")
# Validate the date and time format
try:
datetime.strptime(date_time, '%Y-%m-%d %H:%M')
except ValueError:
print("Invalid date and time format. Please use YYYY-MM-DD HH:MM.")
continue
odometer_reading = float(input("Enter Odometer Reading (in km): "))
liters_filled = float(input("Enter Fuel Filled (in liters): "))
total_amount = float(input("Enter Total Amount (in currency): "))
fuel_log.add_log(date_time, odometer_reading, liters_filled, total_amount)
print("Fuel log added successfully.")
elif choice == '2':
logs = fuel_log.get_logs()
if not logs:
print("No fuel logs available.")
else:
print("\nFuel Logs:")
for i, log in enumerate(logs, start=1):
print(f"• {i}. Date & Time: {log['date_time']}, Odometer: {log['odometer_reading']} km, "
f"Liters: {log['liters_filled']}, Total Amount: {log['total_amount']}\n")
elif choice == '3':
average_consumption = fuel_log.calculate_average_consumption()
print(f"Average Fuel Consumption: {average_consumption:.2f} L/100 km\n")
elif choice == '4':
print("Exiting the application.")
break
else:
print("Invalid option. Please try again.")
if __name__ == "__main__":
main()

Tags: python fuel

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