u6

u6/matching_brackets.py

@@ -0,0 +1,12 @@
+def is_paired(input_string):
+    zatvorky = {'(': ')', '[': ']', '{': '}'}
+    stack = []
+
+    for char in input_string:
+        if char in zatvorky:
+            stack.append(char)
+        elif char in zatvorky.values():
+            if not stack or zatvorky[stack.pop()] != char:
+                return False
+
+    return not stack