Update 100+ Python challenging programming exercises for Python 3.md

Author: Abdul Hannan (Kamrul)

100+ Python challenging programming exercises for Python 3.md

@@ -272,6 +272,14 @@ for sentence in lines:
     print(sentence)
 ```
 
+My solution:
+```
+inp = input()
+ll = str(inp).split()
+pq = [l.upper() for l in ll]
+print(' '.join(pq))
+```
+
 ### Question 10
 Level 2