Answer to Question #222431 in Python for srikanth

Question

Sum of 1 series

Given integer 

N as input. Write a program to print the sum of series 1 + 11 + 111 + .... N terms.

Input

The first line of input is an integer N.

Output

The output should be an integer representing the sum of series.

Explanation

Given 

N = 4

The sum for first 

4 terms is 1 + 11 + 111 + 1111

So the output should be 

1234.

Sample Input 1
4
Sample Output 1
1234
Sample Input 2
5
Sample Output 2
12345

sample input 3
10
sample output3
1234567900

Answer 1

n = int(input())

count = 0
line =''

for i in range(n):
    line += "1"
    count += int(line)

print(count)