Day 8 Part 1.

2021/8/main.py

@@ -0,0 +1,29 @@
+#   0:      1:      2:      3:      4:
+#  aaaa    ....    aaaa    aaaa    ....
+# b    c  .    c  .    c  .    c  b    c
+# b    c  .    c  .    c  .    c  b    c
+#  ....    ....    dddd    dddd    dddd
+# e    f  .    f  e    .  .    f  .    f
+# e    f  .    f  e    .  .    f  .    f
+#  gggg    ....    gggg    gggg    ....
+
+#   5:      6:      7:      8:      9:
+#  aaaa    aaaa    aaaa    aaaa    aaaa
+# b    .  b    .  .    c  b    c  b    c
+# b    .  b    .  .    c  b    c  b    c
+#  dddd    dddd    ....    dddd    dddd
+# .    f  e    f  .    f  e    f  .    f
+# .    f  e    f  .    f  e    f  .    f
+#  gggg    gggg    ....    gggg    gggg
+
+total = 0
+with open('data', 'r') as fp:
+    # NOTE(dev): We assume all lines are the same length
+    for line in fp:
+        line = line.split(' | ')[1]
+        vals = line.split()
+        for val in vals:
+            if(len(val) in [2, 3, 4, 7]):
+                total += 1
+
+print(total)