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Python

Collection of articles about Python programming.

How to find the current directory of the script file in Python?

Sep 20, 2019 by Beaulin Twinkle
find the current directory of the script file in Python

Here is a simple method to find the current directory of the script file in Python programming using a method from the os module.

Categories Python Tags Python 3.7.x, Python 3.x, Python Tips Leave a comment

Manually raising exception in Python

Sep 20, 2019Sep 20, 2019 by Beaulin Twinkle
Manually raising exception in Python

Sometime you may need to manually raise exception in Python programming instead of thrown automatically.

Categories Python Tags Python 3.7.x, Python 3.x, Python Tips Leave a comment

Get the last element of a list in Python

Sep 17, 2019 by Beaulin Twinkle
Get the last element of a list in Python

There are couple of simple ways to get the last element of a list in Python programming. Let us see both these methods with samples.

Categories Python Tags Python 3.7.x, Python 3.x, Python Tips Leave a comment

How to find number of elements in a list in Python?

Sep 13, 2019 by Beaulin Twinkle
find number of elements in a list in Python

Here is a simple tip to find the number of elements in a list in Python programming. Get the count of elements in a list.

Categories Python Tags Python 3.7.x, Python 3.x, Python Tips Leave a comment

Converting string to datetime object in Python

Sep 13, 2019 by Beaulin Twinkle
Converting string to datetime object in Python

Here we will see simple tip to cinvert a string to datetime object in Python programming using the datetime.strptime() method.

Categories Python Tags Python 3.7.x, Python 3.x, Python Tips Leave a comment

How to check and parse a string to float in Python?

Sep 11, 2019 by Beaulin Twinkle
check and parse a string to float in Python

To check and parse a string to float, I wrote two simple functions. One of the function checks for float and the other converts the string to a float.

Categories Python Tags Python 3.7.x, Python 3.x, Python Tips Leave a comment

How to concatenate multiple lists in Python?

Sep 10, 2019Sep 10, 2019 by Beaulin Twinkle
concatenate multiple lists in Python

There are couple of efficient ways to merge / join / concatenate multiple lists in Python programming. Let’s see how to use them with example.

Categories Python Tags Python 3.7.x, Python 3.x, Python Tips Leave a comment

How to write data from list to a file in Python?

Sep 6, 2019 by Beaulin Twinkle
write data from list to a file in Python

Here we will see how to write date from list to a file. We will also see a simple technique to write every list element in separate line in the file.

Categories Python Tags Python 3.7.x, Python 3.x, Python Tips Leave a comment

Reading a file into a list in Python

Apr 8, 2022Sep 5, 2019 by Beaulin Twinkle
Reading a file into a list

Here we will see how to open the file, read the contents to a list variable with a line per list item. Reading a file into a list is quiet simple in python.

Categories Python Tags Python 3.7.x, Python 3.x, Python Tips Leave a comment

Upgrade python version in visual studio code python workspace

Sep 9, 2020Aug 30, 2019 by Beaulin Twinkle
Upgrade Python Virtual Environment

Simple steps to upgrade python version in visual studio code python workspace environment. Upgrading python virtual environment in VS Code.

Categories Python Tags Python 3.7.x, Python 3.8.x, Python 3.x, Python Tips, Visual Studio Code Leave a comment

Why list = list should not be used to copy or clone lists in Python?

Aug 29, 2019 by Beaulin Twinkle
list = list should not be used to copy lists in Python

list = list should not be used to copy or clone. Doing so will not copy the contents of one list to another. Instead the child list will be a reference to the master list.

Categories Python Tags Python 3.7.x, Python 3.x, Python Tips Leave a comment

Catch multiple exceptions in an except clause in Python

Aug 20, 2019Aug 16, 2019 by Beaulin Twinkle
Python

In some situations you may need to use more than one exception in a single except clause. Here is the syntax to catch multiple exceptions in a single line.

Categories Python Tags Python 3.7.x, Python 3.x, Python Tips Leave a comment

SHA3 hash code generation in Python

Aug 14, 2019 by Beaulin Twinkle
Hash Code Encryption with HASHBYTES in SQL Server

Here we will see how to generate hash using SHA3 hash code (SHA3-224, SHA3-256, SHA3-384, SHA3-512) algorithms in Python programming.

Categories Python Tags Python 3.7.x, Python 3.x, Security Leave a comment

SHA-2 hash code generation in Python

Aug 14, 2019 by Beaulin Twinkle
Hash Code Encryption with HASHBYTES in SQL Server

In this article we will go through how to generate hash using SHA-2 hash code (SHA224, SHA256, SHA384, SHA512) algorithms in Python.

Categories Python Tags Python 3.7.x, Python 3.x, Security Leave a comment

SHA1 hash code generation in Python

Aug 14, 2019 by Beaulin Twinkle
Hash Code Encryption with HASHBYTES in SQL Server

Here we will see how to generate hash codes using SHA1 hash code algorithm in Python programming using the hashlib module.

Categories Python Tags Python 3.7.x, Python 3.x, Security Leave a comment

MD5 hash code generation in Python

Aug 14, 2019 by Beaulin Twinkle
Hash Code Encryption with HASHBYTES in SQL Server

Lat’s see more about MD5 hash code generation in Python programming with sample codes using hashlib module.

Categories Python Tags Python 3.7.x, Python 3.x, Security Leave a comment

Hash code (hashing) in Python

Aug 14, 2019Aug 13, 2019 by Beaulin Twinkle
Hash Code Encryption with HASHBYTES in SQL Server

Python has an abundant support for several hash code algorithms. There is a library module for hashing. Lets see it.

Categories Python Tags Python 3.7.x, Python 3.x, Security Leave a comment

How to extract numbers from string in Python?

Aug 9, 2019 by Beaulin Twinkle
extract numbers from string in Python

Here is one of the method to extract numbers from string in Python. This method can extract integers, float and negative numbers and convert them to float.

Categories Python Tags Python 3.7.x, Python 3.x, Python Tips Leave a comment

How to split delimited string in Python?

Aug 13, 2019Aug 9, 2019 by Beaulin Twinkle
split delimited string in Python

split delimited string in Python: To split a string based on a delimiter and store the result in a list, we can use the str.split() method.

Categories Python Tags Python 3.7.x, Python 3.x, Python Tips Leave a comment

How to find name of month in Python?

Aug 8, 2019 by Beaulin Twinkle
Python: Get month name from number

Finding the name of month in Python programming. let us see how to find the name of the month form a number and from a given date.

Categories Python Tags Python 3.7.x, Python 3.x, Python Tips Leave a comment
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