1 files changed, 19 insertions, 0 deletions

diff --git a/2019/day7/comm.py b/2019/day7/comm.py
new file mode 100644
index 0000000..458d8b1
--- /dev/null
+++ b/2019/day7/comm.py
@@ -0,0 +1,19 @@
+from itertools import permutations
+import os
+import subprocess
+
+perm = permutations(range(5))
+res = []
+
+for seq in perm:
+    signal = 0
+    for phase in seq:
+        out = subprocess.run(
+            ["perl", "intcode.pl", "part1.in"],
+            capture_output=True,
+            input=b"%d\n%d" % (phase, signal),
+        )
+        signal = int(out.stdout)
+    res.append(signal)
+
+print(sorted(res)[-1])