Import from Nextcloud

02/02.py

@@ -0,0 +1,25 @@
+import re
+
+with open('02-input') as f:
+    passwords = [row.strip() for row in f]
+
+pattern = re.compile(r'(\d*)-(\d*) (\w): (.*)')
+count = 0
+for p in passwords:
+    if m := pattern.match(p):
+        n1, n2, l, p = m.groups()
+        c = p.count(l)
+        if int(n1)<=c<=int(n2):
+            count += 1
+
+print(count)
+
+count = 0
+for p in passwords:
+    if m := pattern.match(p):
+        n1, n2, l, p = m.groups()
+        n1, n2 = int(n1)-1, int(n2)-1
+        if p[n1]==l and p[n2]!=l or p[n1]!=l and p[n2]==l:
+            count += 1
+
+print(count)