Move Seamlessly between PERL and Python

The Shared History of PERL and Python

Learning through Examples

1. In a nutshell
2. Example 1 - Hello World
3. Example 2 - Multiplication Table
4. Example 3 - Prime Number

A Quick View of Pythonland

1. Python Keywords are Special Words
2. Built-in Functions in Python
3. References

Numbers and Variables

1. In a nutshell

From Array to List

1. In a nutshell
2. Python Shortcuts on Lists
3. Keywords ‘in’ and ‘del’
4. Keyword - del

From Associative Array to Dictionary

1. Iterating over keys and values

Loops and Conditions

1. In a nutshell
2. ‘while’ loop
3. ‘if-else’
4. ‘for’ Loops
5. Using ‘for’ over a Dictionary
6. Keywords ‘break’ and ‘continue’

From Subroutines to Functions

1. In a nutshell
2. Code Flow with Functions
3. Default Parameter
4. Importing Functions from a File

Strings

1. In a nutshell
2. Substring
3. String-related Function
4. Python String is a List
5. String-related functions

Regular Expressions

1. In a nutshell
2. Search
3. Search and Replace
4. References

Reading and Writing Files

1. In a nutshell
2. Reading from a file
3. Reading the entire file in an array
4. Writing a string into a file
5. File read/write symbols in PERL and Python

Modules and Packages

1. In a nutshell
2. Splitting Code into Multiple Files

From CPAN to PyPI

1. In a nutshell

Useful Python Packages and Tools

1. In a nutshell
2. Python command line
3. Numpy
4. Jupyter Notebook

Class, Iterator, etc.

1. Iterables, Iterators, Generators

From BioPERL to Biopython

1. Analyzing Nucleotide and Protein Sequences
2. Parsing Biological Records
3. Objects to Store Different Types of Data
4. Accessing Data from the Internet
5. References

Closing Comments

1. PERL6 than never came and Python3 that never got adopted