diff --git a/2023/3.py b/2023/3.py
index 59a8da9..f7438b1 100644
--- a/2023/3.py
+++ b/2023/3.py
@@ -1,4 +1,4 @@
-lines = [i for i in open("input.txt", 'r').read().splitlines()]
+lines = open("input.txt", 'r').read().splitlines()
 
 sum = 0
 sum2 = 0
diff --git a/2023/5.py b/2023/5.py
new file mode 100644
index 0000000..1f53209
--- /dev/null
+++ b/2023/5.py
@@ -0,0 +1,16 @@
+data = open("input.txt", 'r').read().split("\n\n")
+seeds = [int(i) for i in data[0][7:].split()]
+maps = [[[int(i) for i in numb.split()] for numb in block.splitlines()[1:]] for block in data[1:]]
+#[destinationStart, sourceStart, length]
+
+for m in maps:
+    newSeeds = list(seeds)
+    for line in m:
+        target, source, length = line
+        for i in range(len(seeds)):
+            seed = seeds[i]
+            if seed in range(source, source+length):
+                newSeeds[i] = seed + (target - source)
+    seeds = newSeeds
+
+print(min(newSeeds))
\ No newline at end of file