2023 day 1 star 1

2023/1/onestar.py

@@ -0,0 +1,25 @@
+import re
+
+def number_with_regex(line):
+    matches = re.findall(r"\d", line)
+    return int(matches[0] + matches[-1])
+
+def number_with_ascii(line):
+    first = None
+    for character in line:
+        if character >= '0' and character <= '9':
+            if not first:
+                first = character
+            last = character
+    return int(first + last)
+
+regex_total = 0
+ascii_total = 0
+with open("input.txt", "r") as f:
+    for line in f.readlines():
+        line = line.strip()
+        regex_total += number_with_regex(line)
+        ascii_total += number_with_ascii(line)
+
+print(regex_total)
+print(ascii_total)