Answer to Question #307807 in Python for jamil

Question

6. Write a Python program that reads a number and finds the sum of the series of 1 +11 + 111 + 1111 + ….+N terms. 

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Sample Input1: 

5 

Sample Output1: 

1 + 11 + 111 + 1111 + 11111 

The Sum is: 1234

Answer 1

n = int(input("Enter number N: "))
print()
sum = 0
str = ''
for i in range(n):
    str = str + '1'
    sum = sum + int(str)
print(f'Sum: {sum}')