Cleans up program outputs

vm.py

@@ -74,10 +74,10 @@ def main():
 
     print('Parsed program:')
     for state, pc_val in states.items():
-        print(f'{state=} {pc_val=}')
+        print(f'State {state:16s} pc={pc_val}')
 
     for idx, inst in enumerate(program):
-        print(idx + 1, inst)
+        print(f'{idx:02d} {inst}')
 
     print('Executing...')
     pc = 0