« Programmation Python/Ensembles » : différence entre les versions

set1 = set() # A# newNouvel emptyensemble setvide

set1.add("cat") # Add# aAjout singled'un membermembre

set1.update(["dog", "mouse"]) # AddAjout de severalplusieurs membersmembres

if "cat" in set1: # MembershipRecherche d'un testmembre

set1.remove("cat") # Retrait d'un membre

#set1.remove("elephant") - throwsErreur de retrait d'un anmembre errorintrouvable

set1.discard("elephant") # NoAucune erreur de retrait d'un errormembre thrownintrouvable

forprint(set1) item in set1: # Iteration AKA for each# Affichage d'un elementensemble

print (item)

print ("Item count:", len(set1)) # LengthCompte AKAdes size AKA item countéléments

set3 = set1 & set2 # Intersection

set4 = set1 | set2 # Union

set5 = set1 - set3 # Set# differenceDifférence

set6 = set1 ^ set2 # SymmetricDifférence differencesymétrique

issubset = set1 <= set2 # SubsetTest de testsous-ensemble

issuperset = set1 >= set2 # SupersetTest de testsur-ensemble

set7 = set1.copy() # ACopie shallowd'un copyensemble

set8.clear() # Clear AKA emptyEffacement AKAd'un eraseensemble

print (set1, set2, set3, set4, set5, set6, set7, set8, issubset, issuperset)