def teka_teki_teko(batas):
 
    # Validasi parameter
    if not isinstance(batas, int):
        raise ValueError("Parameter harus berupa integer")
 
    if batas < 0:
        raise ValueError("Parameter harus berupa unsigned integer (tidak boleh negatif)")
 
    if batas < 20:
        raise ValueError("Parameter harus memiliki nilai paling sedikit 20")
 
    # Loop dari 1 sampai batas
    for i in range(1, batas + 1):
        output = ""
 
        # Angka habis dibagi 2
        if i % 2 == 0:
            output += "Teka"
 
        # Angka habis dibagi 3
        if i % 3 == 0:
            output += "Teki"
 
        # Angka habis dibagi 5
        if i % 5 == 0:
            output += "Teko"
 
        # Jika tidak ada yang habis dibagi, cetak angka
        if output == "":
            output = str(i)
 
        print(output)
 
 
# Penggunaan
if __name__ == "__main__":
    try:
        print("Hasil teka_teki_teko(30):")
        teka_teki_teko(30)
 
        print("\n\nTes dengan parameter invalid:")
        # Test Error Handling
 
        print("Hasil teka_teki_teko(10):")
        teka_teki_teko(10)  # Error nilai paling sedikit 20
 
        # print("Hasil teka_teki_teko(-5):")
        # teka_teki_teko(-5)  # Error parameter harus berupa unsigned integer
 
        # print("Hasil teka_teki_teko(\"a\"):")
        # teka_teki_teko("a")  # Error parameter harus berupa integer
 
    except ValueError as e:
        print(f"Error: {e}")

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