""" association sportive (exercice 2.28)     """

def ins(nom,sports):
    if "natation" in sports:
       natation.add(nom) 
    if "paddling" in sports:
       paddling.add(nom)
    if "voile" in sports:
       voile.add(nom)
    print("Insertion de",nom,"effectuée")

def affichage():
    print()
    print("natation =",natation,len(natation),"p.")
    print("paddling =",paddling,len(paddling),"p.")
    print("voile =",voile,len(voile),"p.")
    natPadd=natation & paddling
    print("natation+paddling =",natPadd,len(natPadd),"p.")
    natVoil=natation & voile
    print("natation+voile =",natVoil,len(natVoil),"p.")
    padVoil=paddling & voile
    print("paddling+voile =",padVoil,len(padVoil),"p.")
    natPadVoil= natation & paddling & voile
    print("natation+paddling+voile =",natPadVoil,len(natPadVoil),"p.")

natation=set()
paddling=set()
voile=set()
#question 1
ins("AB",["natation","paddling"])
ins("BC",["natation","voile"])
ins("CD",["voile"])
ins("DE",["paddling"])
ins("EF",["natation"])
ins("FG",["paddling","natation"])
ins("GH",["paddling","natation","voile"])


#question 2
affichage()