Natural Numbers

• Problem Description

  
  Python Program to Find the Sum of First N Natural Numbers
  
  Input 
  
  Value of "N"
  
  Output
  Print the Sum of N natural Numbers
  
  

• CODING ARENA

• m=int(input())

  sum1=0

  while(m>0):

      sum1=sum1+m

      m=m-1

  print(sum1)

• Test Case 1

  
  Input (stdin)

  18
  
  

  Expected Output

  171

• Test Case 2

  
  Input (stdin)

  167
  
  

  Expected Output

  14028