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Classical Programming vs. Machine Learning Programming:

e.g.

source:

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^{Date: 4/27/2020}

Why need metaprogramming? (maybe metaclass?)

Scenario:

• I want to have a single Interface Class that has a Base Implementation Class with multiple instance implementations for other Inheriting Classes

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# --- Code Book: Python Algorithms
# --- Source   : github.com/keon/algorithms.git

#========================================================================================================================
#		:: tree/path_sum.py ::
#========================================================================================================================
|  1| """
|  2| Given a binary tree and a sum, determine if the tree has a root-to-leaf
|  3| path such that adding up all the values along the path equals the given sum.
|  4| 

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def distance(u, v):
    """
    Calculates Euclidean distance between two point
    distance = square_root( sum(u_i - v_i)^2 )
    
    u: [float, float], point1
    v: [float, float], point2
    """
    sum_ = sum((u[i] - v[i]) ** 2 for i in range(len(u)))
    return sum_ ** (1 / 2)

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def case_insensitive(s1, s2):
    """
    returns True if both s1 and s2 
    contain the same letters and letters in the same order,
    regardless of letters case.
    In other words, 
    this is an implementation for either 
        s1.upper() == s2.upper() 
    or  s1.lower() == s2.lower()
    """