Solution Exercice 22: ensemble des parties ayant 2 ou 3 éléments en python

Exercice 22

Ecrire un algorithme qui prends en entrée l'ensemble python E = {'a' , 'b' , 'c' , 'd' , 'e'} et qui renvoie la liste des parties de E ayant 2 ou 3 éléments.

Solution

E = {'a' , 'b' , 'c' , 'd' , 'e'}

# initialiser la liste demandée
L =[]
for x in E:
    for y in E:
        for z in E:
            F = {x,y,z}
            if len(F) >=2:
                if F not in L:
                    L.append(F)
  
# afficher la liste              
print(L)
"""
output:
[{'c', 'a'}, {'c', 'b'}, {'c', 'd'},{'c', 'e'}, {'c', 'b', 'a'}, {'c', 'd', 'a'},
{'c', 'a', 'e'}, {'c', 'b', 'd'}, {'c', 'b', 'e'},{'c', 'd', 'e'}, {'b', 'a'},
{'d', 'a'}, {'a', 'e'},{'b', 'd', 'a'}, {'b', 'a', 'e'}, {'d', 'a', 'e'},
{'b', 'd'}, {'b', 'e'}, {'b', 'd', 'e'}, {'d', 'e'}]
"""

E = {'a' , 'b' , 'c' , 'd' , 'e'}

# initialiser la liste demandée

L =[]

for x in E:

for y in E:

for z in E:

F = {x,y,z}

if len(F) >=2:

if F not in L:

L.append(F)

# afficher la liste

print(L)

"""

output:

[{'c', 'a'}, {'c', 'b'}, {'c', 'd'},{'c', 'e'}, {'c', 'b', 'a'}, {'c', 'd', 'a'},

{'c', 'a', 'e'}, {'c', 'b', 'd'}, {'c', 'b', 'e'},{'c', 'd', 'e'}, {'b', 'a'},

{'d', 'a'}, {'a', 'e'},{'b', 'd', 'a'}, {'b', 'a', 'e'}, {'d', 'a', 'e'},

{'b', 'd'}, {'b', 'e'}, {'b', 'd', 'e'}, {'d', 'e'}]

"""

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