Fixed lint error(add space)

Author: Citrus716

3_advanced/chapter14/practice/worried_josh.py

@@ -16,4 +16,4 @@
 students = [“Dan”, “Sherlocks”, “Jo”, “Josh”, “Dennis”, “Erwin”, “Ivan”, “Penny”] 
 n = int(input())
 
-#write your code below
+# write your code below