Marcus owns a juice bottling plant.

This program checks the volume (in ml) of juice bottles from Marcus's plant.

1   count = 0
2   volume = 0
3   pass_count = 0
4   fail_count = 0
5
6   while (count < 4):
7       count = count + 1
8       volume = int (input ("Enter bottle volume: "))
9       if ((volume < 490) or (volume > 510)):
10          fail_count = fail_count + 1
11      else:
12          pass_count = pass_count + 1
13
14  print (pass_count, fail_count)

The inputs are: 505, 489, 490, 512