Format docs (#7821)

* Reformat docs for odd_even_sort.py

* Fix docstring formatting

* Apply suggestions from code review

Co-authored-by: Caeden Perelli-Harris <caedenperelliharris@gmail.com>

Co-authored-by: Caeden Perelli-Harris <caedenperelliharris@gmail.com>

machine_learning/data_transformations.py

@@ -1,5 +1,7 @@
 """
-Normalization Wikipedia: https://en.wikipedia.org/wiki/Normalization
+Normalization.
+
+Wikipedia: https://en.wikipedia.org/wiki/Normalization
 Normalization is the process of converting numerical data to a standard range of values.
 This range is typically between [0, 1] or [-1, 1]. The equation for normalization is
 x_norm = (x - x_min)/(x_max - x_min) where x_norm is the normalized value, x is the
@@ -28,7 +30,8 @@ from statistics import mean, stdev
 
 def normalization(data: list, ndigits: int = 3) -> list:
     """
-    Returns a normalized list of values
+    Return a normalized list of values.
+
     @params: data, a list of values to normalize
     @returns: a list of normalized values (rounded to ndigits decimal places)
     @examples:
@@ -46,7 +49,8 @@ def normalization(data: list, ndigits: int = 3) -> list:
 
 def standardization(data: list, ndigits: int = 3) -> list:
     """
-    Returns a standardized list of values
+    Return a standardized list of values.
+
     @params: data, a list of values to standardize
     @returns: a list of standardized values (rounded to ndigits decimal places)
     @examples:

physics/kinetic_energy.py

@@ -1,5 +1,6 @@
 """
-Find the kinetic energy of an object, give its mass and velocity
+Find the kinetic energy of an object, given its mass and velocity.
+
 Description : In physics, the kinetic energy of an object is the energy that it
 possesses due to its motion.  It is defined as the work needed to accelerate a body of a
 given mass from rest to its stated velocity.  Having gained this energy during its
@@ -19,6 +20,8 @@ Reference : https://en.m.wikipedia.org/wiki/Kinetic_energy
 
 def kinetic_energy(mass: float, velocity: float) -> float:
     """
+    Calculate kinetick energy.
+
     The kinetic energy of a non-rotating object of mass m traveling at a speed v is ½mv²
 
     >>> kinetic_energy(10,10)

sorts/merge_sort.py

@@ -1,5 +1,6 @@
 """
-This is a pure Python implementation of the merge sort algorithm
+This is a pure Python implementation of the merge sort algorithm.
+
 For doctests run following command:
 python -m doctest -v merge_sort.py
 or
@@ -10,7 +11,7 @@ python merge_sort.py
 
 
 def merge_sort(collection: list) -> list:
-    """Pure implementation of the merge sort algorithm in Python
+    """
     :param collection: some mutable ordered collection with heterogeneous
     comparable items inside
     :return: the same collection ordered by ascending
@@ -24,7 +25,9 @@ def merge_sort(collection: list) -> list:
     """
 
     def merge(left: list, right: list) -> list:
-        """merge left and right
+        """
+        Merge left and right.
+
         :param left: left collection
         :param right: right collection
         :return: merge result

sorts/odd_even_sort.py

@@ -1,10 +1,15 @@
-"""For reference
+"""
+Odd even sort implementation.
+
 https://en.wikipedia.org/wiki/Odd%E2%80%93even_sort
 """
 
 
 def odd_even_sort(input_list: list) -> list:
-    """this algorithm uses the same idea of bubblesort,
+    """
+    Sort input with odd even sort.
+
+    This algorithm uses the same idea of bubblesort,
     but by first dividing in two phase (odd and even).
     Originally developed for use on parallel processors
     with local interconnections.