Fix doc strings

Author: kracekumar

koans/py/103-easy-mixed-values.py

@@ -1,5 +1,5 @@
 # Annotate mixed type-values. There are two-ways to annotate this
 nos: list[int] = [1, 2.0, 3.5]
 
-# Annotate the lis of int to list of better types
+# Annotate the list of int to list of better types
 squares: list[int] = [no * no for no in nos]

koans/py/111-medium-callable-annotate.py

@@ -1,19 +1,12 @@
+"""
+Koan to learn annotating the callables or functions.
+"""
 import operator
-from collections.abc import Callable, Iterable
-from typing import TypedDict
-
-
-class UserData(TypedDict):
-    user_id: int
-    is_active: bool
-
 
 # Annotate the function arguments
 # Documentation: https://docs.python.org/3/library/typing.html?highlight=typing#callable
 # Documentation: https://docs.python.org/3/library/typing.html?highlight=typing#typing.Iterable
-def user_sort(
-    data: Iterable[UserData], func: Callable[[UserData], int]
-) -> Iterable[UserData]:
+def user_sort(data, func):
     return sorted(data, key=func)
 
 

koans/py/112-medium-type-as-example.py

@@ -1,3 +1,7 @@
+"""
+Koan to learn type of class when passed as an argument.
+"""
+
 import json
 from typing import Any, Type, Union