print(i for i in range(100,999) if str(i) == str(i)[::-1])

print([i for i in range(1,1000) if str(i) == str(i)[::-1]])

print([i for i in range(1,999) if str(i) == str(i)[::-1]])

print([i for i in range(100,1000) if str(i) == str(i)[::-1]])