Merge pull request darkprinx#19 from Prash099/patch-3

Update Day_24.md

Author: darkprinx

Status/Day_24.md

@@ -204,6 +204,18 @@ sum = rec(n)
 print(sum)
 ```
 
+**Solution:**
+
+```python
+'''Solution by: Prashanth'''
+
+N = int(input(' : '))
+sum = 0
+for i in range(N+1):
+    sum += i
+print(sum)
+
+```
 ---
 
 [**_go to previous day_**](https://github.com/darkprinx/100-plus-Python-programming-exercises-extended/blob/master/Status/Day_22.md "Day 23")