Add docstring

gestform.py

@@ -10,9 +10,11 @@ MAX = 1000
 
 
 def generate_numbers_list(mini: int, maxi: int) -> List[int]:
+    """Generate a list of int between mini and maxi"""
     return list(range(mini, maxi+1))
 
 def randomise_with_iterator(list_from: List[int]) -> int:
+    """Copy and randomize a list to an iterator"""
     randomized = list_from.copy()
     shuffle(randomized)
     while randomized: