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Python Tips

How to Sort Lists in-place in Python?

June 6, 2012 by cmdlinetips

Let us starting simple and start with easy sort. Python has two sort functions; one function that sorts a list in-place and the other sort function “sorted” that creates a new sorted list. In this post, we will see examples of “in-place” sorting. Python’s in-place sorting As the name suggests the in-place sorting replaces the […]

Filed Under: Lambda Function and Sort, Python, Python In-Place Sorting, Python Sort, Python Tips Tagged With: Lambda Function and Sort, Python In-Place Sorting, Python Sort, sort a list numerically

Mastering Lists in Python Using List Comprehensions

April 8, 2012 by cmdlinetips

Ever faced the problem of creating a unique lists in Python? or Accessing only specific elements of lists in Python? Python’s “List Comprehensions” offers you the immense power to create and use lists. Here is a brief introduction to understand and getting started on using List Comprehensions in Python. Python’s List Comprehensions Example 1 The […]

Filed Under: Python, Python List Comprehensions, Python Tips Tagged With: List Comprehensions, Python, Python Tips

Getting Started With Map, Filter, and Reduce in Python

March 9, 2012 by cmdlinetips

Python has a couple of nice built-in function in the flavor of functional programming paradigm. These built-in functions like map, filter, and apply combine very well with lambda functions. Map, filer, and reduce help you create, work with and tame lists in Python. For example sure, at some point you will have to deal with […]

Filed Under: Filter, Lambda Function, Map, Python, Python Functional Programming, Python Tips, Reduce Tagged With: Python Filter, Python Functional Programming, Python Map, Python Reduce, Python Tips

Getting Started With Python Dictionaries: Python Tips

September 3, 2011 by cmdlinetips

Dictionary in Python is a data structure that lets users store and retrieve things in python. As the name “dictionary” suggests, it has “key” and “value”. Needless to say each key has to be unique, but you can have duplicates in values. How to Create a Dictionary in Python? An easy way to create dictionary […]

Filed Under: Python, Python Dictionary, Python Tips Tagged With: Python, Python Dictionary, Python Tips

3 Ways to Read A Text File Line by Line in Python

August 7, 2011 by cmdlinetips

Python Read a Text File Line by Line

Opening a file and reading the content of a file is one of the common things you would do while doing data analysis. In this tutorial, we will see 3 examples of reading a text file in Python 3. One easy way to read a text file and parse each line is to use the […]

Filed Under: Python, python readline, python readlines, Python Tips, Read A Text File Tagged With: Python, Read a Text File, readline, readlines

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