if?not?isinstance(num,int):
return?False
if?num<0:
return?False
numlist=[]
while?num>0:
numlist.append(num%10)
num/=10
reverselist=numlist[:]
reverselist.reverse()
return?reverselist==numlist
if?__name__=='__main__':
print(ishuiweinum(12345))
print(ishuiweinum(1234321))