from random import shuffle
DLs = ["1/1-X", "1/1+X", "ln(1+X)", "ln(1-X)", "cos", "sin", "exp", "ch", "sh", "(1+X)^α", "arctan"]

if __name__ == "__main__":
    while True:
        shuffle(DLs)
        print("\n".join(DLs)) 
        input("press enter to get another shuffle")