2024(2): There is puzzle 2.

2024/1/2.py

@@ -0,0 +1,12 @@
+import numpy as np
+
+
+# Load both columns into numpy arrays of type int
+left, right = np.loadtxt("input", dtype=int).T
+
+similarity_score = 0
+
+for l in left:
+	similarity_score += l*np.sum(right == l)
+
+print(f"The similarity score is {similarity_score}.")