From b9ad24c30cd889670570a83d02c48277528246cd Mon Sep 17 00:00:00 2001
From: Nils Liebreich <nilsl99@mi.fu-berlin.de>
Date: Tue, 8 Nov 2022 13:31:06 +0100
Subject: [PATCH] Implemented check_klammern
---
Aufgabe03b.py | 22 ++++++++++++++++++++++
1 file changed, 22 insertions(+)
create mode 100644 Aufgabe03b.py
diff --git a/Aufgabe03b.py b/Aufgabe03b.py
new file mode 100644
index 0000000..0421962
--- /dev/null
+++ b/Aufgabe03b.py
@@ -0,0 +1,22 @@
+from Aufgabe03a import Stack
+
+def end(c):
+ if c == "(": return ")"
+ if c == "[": return "]"
+ if c == "<": return ">"
+ if c == "{": return "}"
+ return None
+
+def check_klammern(s):
+ check_sum = Stack()
+ for c in s:
+ if c in ["(", "[", "<", "{"]:
+ check_sum.push(c)
+ elif c in [")", "]", ">", "}"]:
+ if check_sum.isEmpty():
+ return False
+ elif c == end(check_sum.pop()):
+ continue
+ else:
+ return False
+ return check_sum.isEmpty()
--
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