30 duplicated lines in:
  - part_4/src_push/app.js (29:73, 65%)
  - part_5/src_starred/app.js (30:72, 62%)

12 duplicated lines in:
  - part_4/src_push/testharness.js (16:30, 100%)
  - part_5/src_starred/testharness.js (16:30, 100%)

7 duplicated lines in:
  - part_4/src_push/app.js (8:16, 15%)
  - part_5/src_starred/app.js (8:16, 14%)