Introduction Have you ever come across strings in Python that have unnecessary spacing between the words or characters? If so then you are at the correct place to find the solutions to your problem. In this article, we are going to learn about the different methods to remove multiple spaces in a string. In Python, …
A Simple Guide To Remove Multiple Spaces In A String Read More »
In Python, a string includes not only the alphanumeric characters and symbols, but also all whitespaces. Consider this simple example: We have a variable called mystring, and it is assigned to 3 characters a, b, and c. Note we have separated each character with a space, so when calling the len() function we get the …
Problem Formulation Given a Python string s with length k<=n. How to fill the string with n-k empty spaces on the left so that the new string has length n? Here are some examples: INPUT: ‘a’, n = 2 OUTPUT: ‘a ‘ INPUT: ‘hi’, n = 4 OUTPUT: ‘hi ‘ INPUT: ‘hi’, n = 2 …
Problem Formulation Given a string s. Create a new string based on s with all control characters such as ‘\n’ and ‘\t’ removed. What is a Control Character? A control character, also called non-printing character (NPC), is a character that doesn’t represent a written symbol. Examples are the newline character ‘\n’ and the tabular character …
How to Remove Control Characters from a String in Python? Read More »
Это руководство покажет вам, как преобразовать строку Юникода в строку в Питоне. Если вы уже знаете о Юникоде, вы можете пропустить следующий раздел, посвященный справочной информации, и сразу же погрузиться в проблему. Истоки Юникода Немного о Юникоде из Википедии. Юникод — стандарт кодирования символов, включающий в себя знаки почти всех письменных языков мира. В настоящее …
Как преобразовать строку Юникода в строковый объект в Питоне? Read More »
In the previous article, we got acquainted with Unicode and methods of processing input Unicode strings, different ways of processing and converting them into a readable form – string objects in Python. Let’s look at ways of converting to other types of output data and applying different encodings to them. Problem Formulation Suppose we need …
Python Convert Unicode to Int, Python Convert Unicode to Float Read More »
В предыдущей статье мы познакомились с Юникодом и способами обработки входных юникодных строк, разным способам обработки и преобразования их в читаемый вид – объекты типа стринг в Питоне. Рассмотрим способы преобразования в другие типы выходных данных и применение различных кодировок к ним. Формулировка задачи Предположим, нам требуется отдать данные в виде символов представленных как целые …
Конвертация символов Юникода в целое число и число с плавающей точкой в Питоне Read More »
Python Convert Unicode to Bytes Converting Unicode strings to bytes is quite common these days because it is necessary to convert strings to bytes to process files or machine learning. Let’s take a look at how this can be accomplished. Method 1 Built-in function bytes() A string can be converted to bytes using the bytes() …
Python Convert Unicode to Bytes, ASCII, UTF-8, Raw String Read More »
Problem Formulation Given a string s, and Given a character c. How many times does character c occur in the string s? Consider the following examples: INPUT s = ‘hello world’ c = ‘l’ OUTPUT 3 INPUT s = ‘aaaa’ c = ‘a’ OUTPUT 4 INPUT s = ‘finxter’ c = ‘z’ OUTPUT 0 Method …
How to Count the Number of Occurrences of a Character in a Python String? Read More »
Problem Formulation: How to Test if String Starts With Any Prefix From an Iterable? Given a string and multiple string prefixes in an iterable such as a list or a tuple. How to test whether the string starts with any of the provided prefixes? Here are three examples: s = ‘hello world’ prefixes = [‘hi’, …
Python String Startswith – How to Test Multiple Values Read More »
Problem Formulation You are tasked with writing Python code to generate a random string. The string should contain any of the printable characters on your keyboard. Letters, numbers, and punctuation marks are valid, and we’ll leave out any whitespace characters. What’s the best way to solve this in Python? Method 1: List Comprehension and random.randint() …
Problem Formulation Given a filename and an integer n. How to read the first n lines of the file in your Python script? Here’s an overview of the solutions: Method 1: Store Head in a List of Strings To read the first n lines of a given file and store each line in a list …