how to run def function in conditonal statement?

A = int(input("masukan angka A: "))
B = int(input("masukan angka B: "))
C = int(input("masukan angka A: "))
print(f"anda memasukan angka A:{A}, B:{B}, C:{C}")
def putarbilangan(A,B,C):
    A = B
    B = C
    C = A
    return putarbilangan

while True:
    tanya = input("apakah ingin diputar (yes/no) ?")
    if tanya == "yes":
        print("ok")
        putarbilangan()
        break
    elif tanya == "no":
        print("program selesai")
        break
    else:
        print("anda salah memilih")
        break

hello , i want to make a program about change number A = 2, B =1, C=3 change to be A = 3, B = 2, C =1 but i get stuck can you help me ? i can't understand to make function in statement