回文数字

solution2

if x < 0:
        return False
    rev_x = 0
    m = x
    while m>0:
        rev_x = rev_x*10 +m%10
        m = m//10
    return rev_x == x

solution1

a = []
index = x
if x < 0:
return False
while x > 9:
a.append(x%10)
x = x//10
print(x)
a.append(x)
print(a)
for j in range(0,int(0.5*len(a))):
if a[j] != a[-1-j]:
return False
print(a[j],a[-1-j])
return True