three first days on first try!

d01/part1.py

@@ -0,0 +1,6 @@
+import sys
+
+s = sys.stdin.read()[:-1]
+
+print(sum(map(lambda c: [-1,1][c=='('],s)))
+

d01/part2.py

@@ -0,0 +1,10 @@
+import sys
+
+s = sys.stdin.read()[:-1]
+
+f = 0
+for i,c in enumerate(s):
+    f += -1 if c == ')' else 1
+    if f == -1:
+        print(i+1)
+        break