Added a bit of explanation around initialization and instantiation. Mentioned what a wrapper function is. Revised possible typo(s). Clarified oop_init.py comments.
@@ -7,5 +7,6 @@ class Person:
p = Person('Swaroop')
p.say_hi()
-# The previous 2 lines can also be written as
+# We can get the same output by
+# rewriting the previous 2 lines as
# Person('Swaroop').say_hi()