Miles to Kilometer conversion

 while True:

print("1 Miles to  KM")

print("2 KM to Miles")

print("3 quit")

i=int(input("Enter Your option "))

if i==1:

m=float(input("Enter distance in miles "))

k=m/1.6

print("%f miles = %fkm"%(m,k))

elif i==2:

k=float(input("Enter distance in miles "))

m=k*1.6

print("%fkm = %fmiles"%(k,m))

elif i==3:

break

else:

continue