全排列

 被自己蠢哭

def allsort(A):
    if len(A) == 1:
        return A
    else:
        result =[]
        for i in range(len(A)):
            temp = A[:i]+A[i+1:]
            for t in allsort(temp):
                result.append(A[i]+t)
    return result
if __name__  ==  "__main__":
    A = "abc"  # (list)(input("請輸入需要進行全排列的字符串："))
    print(allsort(A))