tick counter. final tick print. tick modulator.

main.py

@@ -73,11 +73,12 @@ grid=makeGrid()
 passengers = GenPassList(grid)
 
 toad = 0
+btime = 10 #passengers board every btime ticks
 
-
+def tick(t):
-def tick():
     done=True
     global toad
+    global btime
     # print grid
     for row in grid:
         for guy in row:
@@ -89,7 +90,7 @@ def tick():
                 print(".", end="")
         print()
     print("---")
-    if toad < len(passengers):
+    if toad < len(passengers) and t % btime == 0:
         grid[3][0].occupant = toad #added
         passengers[toad].curr = (3, 0)
         toad += 1
@@ -105,10 +106,13 @@ def tick():
         grid[cp[0]][cp[1]].occupant = None #they move out of there
         grid[man.curr[0]][man.curr[1]].occupant = i
     if done:
+        print("Final Tick: " + t);
         exit()
 
 def run():
+    t = 0
     while 1:
-        tick()
+        t += 1
+        tick(t)
 
 run()