Update func_string.py

func_string.py

+// a) 
+// Comparé deux chaînes
+def ComparaisonChaine(c1,c2):
+    if len(c1)==len(c2):
+        for i in range (len(c1)):
+            if c1[i]!=c2[i]:
+                return False
+        return True
+    else:
+        return False
+// Comparé toute la liste
+def Comparaison(lc):
+    Same=[None]
+    for i in range(len(lc)):
+        for j in rangee(len(lc)):
+            if i !=j:
+                if ComparaisonChaine(lc[i],lc[j]):
+                    Same.append(str(i)+'&'+str(j))
+    return Same
+// b)
 fich1 = fich2 = "" 
   
 with open('file1.txt') as fp: