Resolve "Create function get_possibilities"

Closes #11 (closed)

reed_solomon.py

 # Created on 09/12/2021
 from polynome import *
+from itertools import combinations
 
 def get_possibilities(l: list):
-	pass
+
+	# Transforme the list in list of tupples with their indexes
+	for x, _ in enumerate(l):
+		l[x] = (l[x], x)
+
+	# ! la valeur 20 est hardcodée. Paramètre de fonction ??
+
+	l_fixe = l[20:] # Liste contenant aucune erreur
+	l_posi = l[:20] # Liste contenant des erreurs, 
+
+	p = list(combinations(l_posi, 2))
+
+	for x, y in enumerate(p):
+		p[x] = list(y)
+		p[x].extend(l_fixe)
+
+	return p
+
+
+'''
+
+	[1, 2, 3, 4, 5]
+	[1, 2, 3, 4, 5, 6, 7, 8, 9]
+	|             |
+	|     err     |
+
+
+'''
+
 
 def lagrange_compute(l: list) -> polynome:
 	pass
@@ -10,3 +39,4 @@ def lagrange_compute(l: list) -> polynome:
 def check_nb_error(l: list, p: polynome) -> int:
 	pass
 
+	
\ No newline at end of file