1#!./ruby -w
2
3def func_c
4  print "Function C\n"
5  sleep 1
6end
7
8def func_b
9  print "Function B\n"
10  sleep 1
11  func_c
12end
13
14def func_a
15  print "Function A\n"
16  sleep 1
17  func_b
18end
19
20func_a
21