TSP distance matrix generator

tsp_gen.py

+import random
+
+
+def gen_tsp_distance_matrix(node_count=5, min_range=1, max_range=50):
+    distances = [None] * node_count
+    for x in range(node_count):
+        distances[x] = [None] * node_count
+        print(distances)
+        for y in range(node_count):
+            distances[x][y] = random.randint(min_range, max_range) if not x == y else None
+    return distances
+
+
+if __name__ == '__main__':
+    import pprint
+    pprint.pprint(gen_tsp_distance_matrix(4))
+    pprint.pprint(gen_tsp_distance_matrix(5))
+    pprint.pprint(gen_tsp_distance_matrix(6))
+    pprint.pprint(gen_tsp_distance_matrix(7))
+    pprint.pprint(gen_tsp_distance_matrix(8))