A common file format used to store data is the .csv file. The ‘csv’ in the name stands for “Comma Separated Values”. CSV files are very similar to Excel spreadsheets in that the data theiris arranged in rows and columns. Excel files are written in binary format whereas csv files are simple text files that […]
Working with CSV files in Python Read More »
In Python, a virtual environment is way of isolating a working copy of Python to test software or to install new packages without affecting existing packages. virtualenv is a tool used to create isolated Python environments. virtualenv is a useful tool for creating sandboxes or for installing packages locally without system administrator access and also
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Microsoft Excel is a popular application for Windows that is used to work with spreadsheets, tables and charts. Spreadsheets are used extensively in the business world to record budgets, create reports, manage inventory or perform calculations. Working on Excel tasks in your day to day work can be boring, mind-numbing and even daunting especially if
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Python follows a “batteries included” philosophy, which means that a lot of functionality you may need is built in to the language itself.Python developers have developed their own modules to extend Python’s capabilities even further. These third party modules are kept in the Python Package Index or PyPI which is similar to an app store
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The “FizzBuzz Test” is an interview question meant to filter out candidates that cannot program their way out of a paper bag. When I first read about this test on codinghorror, I assumed that it must be a very difficult challenge for it to filter out 99% of software development job candidates but it turns
My solution to the FizzBuzz challenge. Read More »
Reading and writing to files using Python is easy to do. In this post, I will go over how to read and write to text files.
How To Read and Write Files Using Python. Read More »
The shelve is used to store Python objects to a file in a dictionary like format.shelve is used where using a relational database would create too much overhead or is unnecessary for example to persist data between program runs. Shelve is part of the Python Standard Library so getting it to work in your programs
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In today’s post I show you how to use three python built in functions to populate a list with letters of the alphabet. To achieve our goal we will the chr() and ord() built-in functions. I will also explain how to use the map() function to make your code look cleaner. To the code: Take
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The Python programs I have written from the time I started learning Python up to now are very simple scripts. I still consider myself a beginner, but I have started to write not so simple code that is usually very brittle and buggy. I have a Github repo of scripts that automate common tasks on
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Most programming languages follow a basic style or formatting standard to make it easy for others to read your code. In Python, we have the PEP 8 and the PEP 257 conventions. PEP stands for “Python Enhancement Proposal”. “PEP 8: Style Guide for Python Code” and “PEP 257: Docstring Conventions” are documents that contain conventions
A Summary of PEP 8: Style Guide for Python Code and PEP 257: Docstring Conventions. Read More »