编写一个函数，判断数字n的各位数字是否各不相同

Question

Answer 1

def isdiff(n):
y=n*n
listy=list(str(y))
sy=set(listy)
if len(listy)==len(sy):
return True
else:
return False

count=0
low,high=eval(input())
for i in range(low,high+1):
if isdiff(i)==True:
print("{} {}".format(i,i*i))
count+=1
print("总数为：{}".format(count))