solution2.py

@@ -1,9 +0,0 @@
-def remove_duplicate_chars(s: str) -> str:
-    result = ""
-    for char in s:
-        if char not in result:
-            result += char
-    return result
-
-if __name__ == "__main__":
-    print(f"remove_duplicate_chars('abacabad') → {remove_duplicate_chars('abacabad')}")