tracks/python/config.json in trackler-2.2.1.61 vs tracks/python/config.json in trackler-2.2.1.62

@@ -53,10 +53,24 @@
         "filtering",
         "logic"
       ]
     },
     {
+      "uuid": "7126f86c-0e7f-7080-b4cb-3c8457dfcadcfe7e446",
+      "slug": "parallel-letter-frequency",
+      "core": false,
+      "unlocked_by": null,
+      "difficulty": 5,
+      "topics": [
+        "threading",
+        "parallellism",
+        "loops",
+        "queues",
+        "strings"
+      ]
+    },
+    {
       "uuid": "ca7c5ef1-5135-4fb4-8e68-669ef0f2a51a",
       "slug": "rna-transcription",
       "core": false,
       "unlocked_by": null,
       "difficulty": 1,
@@ -1020,16 +1034,40 @@
         "optional_values",
         "text_formatting"
       ]
     },
     {
+      "uuid": "f5503274-ac23-11e7-abc4-cec278b6b50a",
+      "slug": "connect",
+      "core": false,
+      "unlocked_by": null,
+      "difficulty": 1,
+      "topics": [
+        "parsing",
+        "transforming"
+      ]
+    },
+    {
       "uuid": "33f689ee-1d9c-4908-a71c-f84bff3510df",
       "slug": "collatz-conjecture",
       "core": false,
       "unlocked_by": null,
       "difficulty": 1,
       "topics": [
         "loops"
+      ]
+    },
+    {
+      "uuid": "d4ddeb18-ac22-11e7-abc4-cec278b6b50a",
+      "slug": "go-counting",
+      "core": false,
+      "unlocked_by": null,
+      "difficulty": 4,
+      "topics": [
+        "parsing",
+        "tuples",
+        "optional_values",
+        "classes"
       ]
     },
     {
       "uuid": "7f4d5743-7ab8-42ca-b393-767f7e9a4e97",
       "slug": "complex-numbers",