str='y'
while(str=='y' or str=='Y'):
    src=int(input("Enter the Source:"))
    des=int(input("Enter the Destination:"))
    
    total_km=des-src
    print("Total kilometer is:",total_km,"km")
    print("1.Micro","2.Micro","3.Prime")
    
    c=int(input("Make ur choice:"))
    if(c==1):
      money=total_km*10
      print("The cost for your travel is:",money,"Rs")
    elif(c==2):
      money=total_km*20
      print("The cost for your travel is:",money,"Rs")
    elif(c==3):
      money=total_km*30
      print("The cost for your travel is:",money,"Rs")
    else:
      print("Please make a choice")
    str=input("Do u want to continue(y/n)?")

26387dbc7b571f51132f502b771c06474fec6622
<mask token>

<mask token>
while str == 'y' or str == 'Y':
    src = int(input('Enter the Source:'))
    des = int(input('Enter the Destination:'))
    total_km = des - src
    print('Total kilometer is:', total_km, 'km')
    print('1.Micro', '2.Micro', '3.Prime')
    c = int(input('Make ur choice:'))
    if c == 1:
        money = total_km * 10
        print('The cost for your travel is:', money, 'Rs')
    elif c == 2:
        money = total_km * 20
        print('The cost for your travel is:', money, 'Rs')
    elif c == 3:
        money = total_km * 30
        print('The cost for your travel is:', money, 'Rs')
    else:
        print('Please make a choice')
    str = input('Do u want to continue(y/n)?')

str = 'y'
while str == 'y' or str == 'Y':
    src = int(input('Enter the Source:'))
    des = int(input('Enter the Destination:'))
    total_km = des - src
    print('Total kilometer is:', total_km, 'km')
    print('1.Micro', '2.Micro', '3.Prime')
    c = int(input('Make ur choice:'))
    if c == 1:
        money = total_km * 10
        print('The cost for your travel is:', money, 'Rs')
    elif c == 2:
        money = total_km * 20
        print('The cost for your travel is:', money, 'Rs')
    elif c == 3:
        money = total_km * 30
        print('The cost for your travel is:', money, 'Rs')
    else:
        print('Please make a choice')
    str = input('Do u want to continue(y/n)?')

str='y'
while(str=='y' or str=='Y'):
    src=int(input("Enter the Source:"))
    des=int(input("Enter the Destination:"))
    
    total_km=des-src
    print("Total kilometer is:",total_km,"km")
    print("1.Micro","2.Micro","3.Prime")
    
    c=int(input("Make ur choice:"))
    if(c==1):
      money=total_km*10
      print("The cost for your travel is:",money,"Rs")
    elif(c==2):
      money=total_km*20
      print("The cost for your travel is:",money,"Rs")
    elif(c==3):
      money=total_km*30
      print("The cost for your travel is:",money,"Rs")
    else:
      print("Please make a choice")
    str=input("Do u want to continue(y/n)?")
