day 2

1 files changed, 25 insertions, 0 deletions

diff --git a/day2/solve.py b/day2/solve.py
new file mode 100644
index 0000000..dc19aad
--- /dev/null
+++ b/day2/solve.py
@@ -0,0 +1,25 @@
+from collections import Counter
+
+from commons import get_input, remove_empty
+
+txt = set(remove_empty(get_input(2).split('\n')))
+counts = [set(Counter(l).values()) for l in txt]
+threes = sum(3 in count for count in counts)
+twos = sum(2 in count for count in counts)
+
+
+def find():
+    for i in txt:
+        for j in txt:
+            if i == j:
+                continue
+            for k in range(len(j)):
+                i_, j_ = list(i), list(j)
+                i_[k] = j_[k]
+                if i_ == j_:
+                    return i[:k] + i[k + 1:]
+
+
+if __name__ == '__main__':
+    print("first: ", twos * threes)
+    print("second:", find())