Problem To convert a simple or nested list into a dictionary data object using Python. Solution In this tutorial we’ll focus on usage of dictionary comprehensions in order to add the content of a Python list iterator into a dictionary. 1. Dict from Python list Let’s assume that we have the following list: We can … Read more
Problem To split a provided string into two halves using Python 3. Solution We have many ways to split a provided python string into two halves. Let’s go through the methods with examples to achieve them in this post. Using slice notation method: We can use the len() method and get half of the string. … Read more
Problem We would like to delete automatically appended newlines added to a string using Python 3 code. Solution We have two methods to delete the newline from a string. In this post we’ll discuss each technique and obviously post the required code. Using rstrip() method: The rstrip() method removes any trailing character at the end … Read more
Problem: To export a list or a dictionary to a CSV file using Python code. Solution: CSV stands for Comma Separated Values, is a file format that stores tabular data in plain text, like a database or spreadsheet. Python provides an inbuilt module named CSV to read or write in CSV files. We have two … Read more
Problem We would like to turn upside down a string and print it in reverse mode in Python. Solution We have many different methods to approach to reverse a string in Python. Let’s look at each technique one by one in this post. Using Extended Slicing technique: We can obtain with the reverse of a … Read more
Problem Working with spreadsheets is essential when dealing with data. In this tutorial we would like to show you how to open and read excel worksheets (xls / xlsx file formats) using Python 3. Solution We have two libraries in Python that can help us to work with the excel sheet. We will discuss more … Read more
Problem: A very common development task is to work with text files, specifically create the file as well as read and write data into it. Solution: Python delivers built-in functions to create and manipulate text files. We will also show you that we are able to append text after the file is created. Let’s look … Read more
Problem To convert a string data type to an Hexadecimal number format in Python 3.X. Solution We have two methods to convert a python string to a Hex value. Using int() function and by importing literal_eval from the ast Python module. In this post, we will learn how we can convert a string to a Hexadecimal number. … Read more
Problem To get only the unique values in a Python list. Solution In this post, we’ll introduce three different techniques to identify if we have any repeated values in the list and obtain a list of unique values. Option 1: Using NumPy NumPy is a Python library that can be used to work with arrays. … Read more
Problem: Today, we’ll learn how to round up float numbers using Python. Solution: We have two methods to handle the rounding float numbers in Python. Using the round() function and Decimal module. We will look at the solutions with examples for each method in this post. Option 1: Python Round Function Python has an inbuilt function round(), which … Read more