A byte of Python by Swaroop C H

By Swaroop C H

'A Byte of Python' is a ebook on programming utilizing the Python language. It serves as an instructional or consultant to the Python language for a newbie viewers. If all you recognize approximately desktops is how one can retailer textual content documents, then this is often the booklet for you.

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This book brings the art of data science with power Python programming to the readers and helps them master the concepts of data science. Knowledge of Python is not mandatory to follow this book. Non-Python programmers can refer to the first chapter, which introduces the Python data structures and function programming concepts. The early chapters cover the basics of data science and the later chapters are dedicated to advanced data science algorithms. State-of-the-art algorithms that are currently used in practice by leading data scientists across industries including the ensemble methods, random forest, regression with regularization, and others are covered in detail.

Where ever applicable references to scientific journals and papers are provided as follows: Please refer to the paper by Leo Breiman for more information about bagging. Leo Breiman. 1996. Mach. 24, 2 (August 1996), 123-140. 1023/A:1018054314350 Program output and graphs are typically provided as images. For example: Any command-line input or output is written as follows: Counter({'Peter': 4, 'of': 4, 'Piper': 4, 'pickled': 4, 'picked': 4, 'peppers': 4, 'peck': 4, 'a': 2, 'A': 1, 'the': 1, 'Wheres': 1, 'If': 1}) In places where we would like the reader to inspect some of the variables in Python shell, we specify it as follows: >>> print b_tuple[0] 1 >>> print b_tuple[-1] c >>> Note Warnings or important notes appear in a box like this.

This improves the program output readability and also avoids bugs from creeping in when the keys are combined manually. In step 6, we will detail the slicing operations in a tuple. Typically, there are three numbers provided for the slicing and they are separated by a colon. The first number decides which index to start the slicing, the second one decides the ending index, and the last one is for step. The examples in step 6 will clarify this: print a[1:] It prints the output as follows: (2, 3, 4, 5, 6, 7, 8, 9, 10) In this case, we specified only the start index number, 1.

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