changing end character in print statement

Author: Ajmera, Mahita SI/HZR-IDSA

graphs/graphs_floyd_warshall.py

@@ -9,10 +9,11 @@ def _print_dist(dist, v):
     print("The shortest path matrix using Floyd Warshall algorithm\n")
     for i in range(v):
         for j in range(v):
+            end_char = "" if j == v - 1 else "\t"
             if dist[i][j] != float("inf"):
-                print(int(dist[i][j]), end="  ")
+                print(int(dist[i][j]), end=end_char)
             else:
-                print("INF", end="  ")
+                print("INF", end=end_char)
         print()
 
 
@@ -47,9 +48,9 @@ def floyd_warshall(graph, v):
     >>> dist, _ = floyd_warshall(graph, 3)
     The shortest path matrix using Floyd Warshall algorithm
     <BLANKLINE>
-    0  3  INF
-    2  0  INF
-    9  7  0
+    0   3   INF
+    2   0   INF
+    9   7   0
     >>> dist == expected
     True
     """