diff -r 31b81f20fd9a -r fbff6f601370 main_testing5/bf_test4.scala
--- a/main_testing5/bf_test4.scala	Thu Nov 02 13:53:37 2023 +0000
+++ b/main_testing5/bf_test4.scala	Thu Nov 02 23:34:53 2023 +0000
@@ -1,13 +1,16 @@
-import M5a._
+
+def urbanmain() = {
 
-assert(run("[-]", Map(0 -> 100)) == Map(0 -> 0))
-assert(run("[->+<]", Map(0 -> 10)) == Map(0 -> 0, 1 -> 10))
-assert(run("[>>+>>+<<<<-]", Map(0 -> 42)) == Map(0 -> 0, 2 -> 42, 4 -> 42))
+  import M5a._
+
+  assert(run("[-]", Map(0 -> 100)) == Map(0 -> 0))
+  assert(run("[->+<]", Map(0 -> 10)) == Map(0 -> 0, 1 -> 10))
+  assert(run("[>>+>>+<<<<-]", Map(0 -> 42)) == Map(0 -> 0, 2 -> 42, 4 -> 42))
 
 
 
 
-val hw_urban = """+++++[->++++++++++<]>--<+++[->>++++++++++
-                  <<]>>++<<----------[+>.>.<+<]"""
-assert(run(hw_urban) == Map(0 -> 0, 1 -> 58, 2 -> 32))
-
+  val hw_urban = """+++++[->++++++++++<]>--<+++[->>++++++++++
+                    <<]>>++<<----------[+>.>.<+<]"""
+  assert(run(hw_urban) == Map(0 -> 0, 1 -> 58, 2 -> 32))
+}