Permutations de trois éléments pris parmi trois (ou plus) éléments
L = [11,7,3,5] PERM = [] for x in L: for y in L: if y!=x: for z in L: if z!=x and z!=y: if len([x,y,z])==3: PERM = PERM + [(x,y,z)] print(PERM) print(len(PERM),"permutations en tout.")