get length of an integer python
# Below uses constant space (converting to string and then gettings it's length does not)
num = 12362
count = 0
while num > 0:
count += 1
num = num // 10
print(count)
# for negative numbers, take absolue value first:
num = -12362
num = abs(num)
count = 0
while num > 0:
count += 1
num = num // 10
print(count)