Answers for "how to get first digit of a number"

how to take first digit of number python

>>> number = 1520
>>> int(str(number)[:2])
15

find last digit of number

//C++
int last_digit = number % 10;

how to take first digit of number python

import math

def first_n_digits(num, n):
    return num // 10 ** (int(math.log(num, 10)) - n + 1)