Answer to Question #284625 in Python for PRR

Question

Given a number N, count the total number of digits from 1 to n

Answer 1

def digits_number(x):
    n = 0
    while x > 0:
        x //=  10
        n += 1
    return n


def main():
    n = int(input('Enter a number: '))
    s = 0
    for i in range(1, n+1):
        s += digits_number(i)
    print(f'The total number of digits is {s}')


if __name__ == '__main__':
    main()