from math import *
print ("Conversions... 2d surfaces")
ValDebut=float(input("Valeur = "))
print ("")
print ("PREFIXE DE DEPART ou unite")
print ("(1) Kilo       centi (6)")
print ("(2) hecto     milli  (7)")
print ("(3) deca      centiare (8)")
print ("(4) m²             are (9)")
print ("(5) deci       hectare (0)")
print ("")
Choix=int(input("faire le choix [0 ; 9] "))
if Choix==0:
    UNITE=ValDebut*10000
    final="hectare"
if Choix==1:
    UNITE=ValDebut*1000000
    final="kilo m²"
if Choix==2:
    UNITE=ValDebut*10000
    final="hecto m²"
if Choix==3:
    UNITE=ValDebut*100
    final="deca m²"
if Choix==4:
    UNITE=ValDebut*1
    final="m²"
if Choix==5:
    UNITE=ValDebut*0.01
    final="deci m²"
if Choix==6:
    UNITE=ValDebut*0.0001
    final="centi m²"
if Choix==7:
    UNITE=ValDebut*0.000001
    final="milli m²"
if Choix==8:
    UNITE=ValDebut*1
    final="centiare"
if Choix==9:
    UNITE=ValDebut*100
    final="are"
Startinging= str (ValDebut) + " " + final
print ("")
print ("PREFIXE DE Dest ou unite")
print ("(1) Kilo       centi (6)")
print ("(2) hecto     milli  (7)")
print ("(3) deca      centiare (8)")
print ("(4) m²             are (9)")
print ("(5) deci       hectare (0)")
print ("")
Choix=int(input("faire le choix [0 ; 9] "))
if Choix==0:
    Destination=UNITE*(1/10000)
    final="hectare"
if Choix==1:
    Destination=UNITE*(1/1000000)
    final="kilo m²"
if Choix==2:
    Destination=UNITE*(1/10000)
    final="hecto m²"
if Choix==3:
    Destination=UNITE*(1/100)
    final="deca m²"
if Choix==4:
    Destination=UNITE*(1/1)
    final="m²"
if Choix==5:
    Destination=UNITE*(1/0.01)
    final="deci m²"
if Choix==6:
    Destination=UNITE*(1/0.0001)
    final="centi m²"
if Choix==7:
    Destination=UNITE*(1/0.000001)
    final="milli m²"
if Choix==8:
    Destination=UNITE*(1/1)
    final="centiare"
if Choix==9:
    Destination=UNITE*(1/100)
    final="are"
Ending= str (Destination) + " " + final
print (Startinging)
print ("=")
print (Ending)
Choix=int(input("PAUSE"))