this is my code what is wrong with it its showing wrong but its working in jupyter notebook

def rev(n):

a=0

while(n>0):

a=(a*10)+n%10

n=n//10

return(a)

t=int(input(“enter the number of test cases”))

for i in range(t):

num=int(input())

for j in range(num,10000000000000000000000000000000000000000000000000000000000000):

if(rev(j)==j):

print(rev(j))

break