Create core/multi_program.py

core/multi_program.py

@@ -0,0 +1,8 @@
+def compare_programs(results):
+    matrix = {}
+    for r in results:
+        p = r["program"]
+        y = r["year"]
+        matrix.setdefault(p, {}).setdefault(y, 0)
+        matrix[p][y] += 1
+    return matrix