Answers for "calculate length of integer in python"

len of int python

len(str(n))  #n is a number

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)

number length python

number_length =  lambda s: len(str(s)) #number length without recursion

#number length with recursion
numlen = 1
def num_len(s):
  if s > 9:
    numlen += 1
  else:
    s = numlen
    numlen = 0
    return s
  return num_len(s//10)