U6

u6/matching_brackets.py

@@ -0,0 +1,17 @@
+def is_paired(input_string):
+    opening_brackets = []
+    pairs = {"(": ")","[": "]","{": "}"}
+
+    for char in input_string:
+        if char in '([{':
+            opening_brackets.append(char)
+        elif char in ')]}':
+            if not opening_brackets:
+                return False
+            last_opening = opening_brackets.pop()
+            if pairs[last_opening] != char:
+                return False
+    if len(opening_brackets) == 0:
+        return True
+    else:
+        return False