From c828a48dec1118b4693542d4bcceb064291415d4 Mon Sep 17 00:00:00 2001
From: Jan Sucan <jan@jansucan.com>
Date: Thu, 4 Sep 2025 09:57:11 +0200
Subject: 18_b_1: Add solution

---
 README.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'README.md')

diff --git a/README.md b/README.md
index f51eb86..7c9dee0 100644
--- a/README.md
+++ b/README.md
@@ -179,7 +179,7 @@ are prefixed with 'Module_'.
 | **_18_a_1_**   | yes    | 436  | 18. Monad transformers |
 | 18_a_2         | yes    |      | |
 | 18_a_3         | yes, in 18_a_2  |      | |
-| **_18_b_1_**   |        | 441  | |
+| **_18_b_1_**   | yes    | 441  | |
 | **_19_a_1_**   |        | 462  | 19. Error handling |
 | **_19_b_1_**   |        | 465  | |
 | 19_b_2         |        |      | |
-- 
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