1 files changed, 8 insertions, 0 deletions
diff --git a/progs/unparsable_programs/a538.py b/progs/unparsable_programs/a538.py
new file mode 100644
index 0000000..7ae9d78
--- /dev/null
+++ b/progs/unparsable_programs/a538.py
@@ -0,0 +1,8 @@
+def is_valid_parenthese( str1):
+        stack, pchar = [], {"(": ")", "{": "}", "[": "]"}
+        for parenthese in str1:
+            if parenthese in pchar:
+                stack.append(parenthese)
+            elif len(stack) == 0 or pchar[stack.pop()] != parenthese:
+                return False
+        return len(stack) == 0
+\ No newline at end of file