from math import *
print ("Conversions... 1D")
ValDebut=float(input("Valeur = "))
UNITY=input("Nom de unite = ")
print ("")
print ("")
print ("PREFIXE DE DEPART")
print ("(1) mega           kilo (2)")
print ("(3) hecto          deca (4)")
print ("(5) UNITE          deci (6)")
print ("(7) centi         milli (8)")
print ("(9) micro          nano (0)")
print ("")
Choix=int(input("faire le choix [0 ; 9] "))
if Choix==0:
    UNITE=ValDebut*0.000000001
    final="nano"
if Choix==1:
    UNITE=ValDebut*1000000
    final="mega"
if Choix==2:
    UNITE=ValDebut*1000
    final="kilo"
if Choix==3:
    UNITE=ValDebut*100
    final="hecto"
if Choix==4:
    UNITE=ValDebut*10
    final="deca"
if Choix==5:
    UNITE=ValDebut*1
    final=""
if Choix==6:
    UNITE=ValDebut*0.1
    final="deci"
if Choix==7:
    UNITE=ValDebut*0.01
    final="centi"
if Choix==8:
    UNITE=ValDebut*0.001
    final="milli"
if Choix==9:
    UNITE=ValDebut*0.000001
    final="micro"
Startinging= str (ValDebut) + " " + final + " " + UNITY
print ("")
print ("")
print ("PREFIXE DESTINATION")
print ("(1) mega           kilo (2)")
print ("(3) hecto          deca (4)")
print ("(5) UNITE          deci (6)")
print ("(7) centi         milli (8)")
print ("(9) micro          nano (0)")
print ("")
Choix=int(input("faire le choix [0 ; 9] "))
if Choix==0:
    Destination=UNITE*(1/0.000000001)
    final="nano"
if Choix==1:
    Destination=UNITE*(1/1000000)
    final="mega"
if Choix==2:
    Destination=UNITE*(1/1000)
    final="kilo"
if Choix==3:
    Destination=UNITE*(1/100)
    final="hecto"
if Choix==4:
    Destination=UNITE*(1/10)
    final="deca"
if Choix==5:
    Destination=UNITE*1
    final=""
if Choix==6:
    Destination=UNITE*(1/0.1)
    final="deci"
if Choix==7:
    Destination=UNITE*(1/0.01)
    final="centi"
if Choix==8:
    Destination=UNITE*(1/0.001)
    final="milli"
if Choix==9:
    Destination=UNITE*(1/0.000001)
    final="micro"
Ending= str (Destination) + " " + final + " " + UNITY
print (Startinging + " = " + Ending)
Choix=int(input("PAUSE"))