The Python botocore library is among the top 100 Python libraries, with more than 182,348,770 downloads. This article will show you everything you need to get this installed in your Python environment. Library Link How to Install botocore on Windows? Type “cmd” in the search bar and hit Enter to open the command line. Type … Read more
Pytest can offer various options that can increase your productivity when you test your code. Although Pytest provides sensible default settings, and you can use it out of the box, it will not offer a one-size-fits-all solution. As you continue writing tests, you will sooner or later start to look for ideas that can make … Read more
[toc] Introduction In general, encoding means using a specific code for the letters, symbols, and numbers. Numerous encoding standards that are used for encoding a Unicode character. The most common ones are utf-8, utf-16, ISO-8859-1, latin, etc. For example, the character $ corresponds to U+0024 in utf-8 standard and the same corresponds to U+0024 in … Read more
Problem Formulation Given a list such as a list of integers. How to print the list elements in one line? Input: [1, 2, 3, 4, 5] Output: 1 2 3 4 5 Method 1: Print One Line List With Asterisk To print all list of elements in one line, unpack the list into the built-in … Read more
The function calls exit(0) and exit(1) are used to reveal the status of the termination of a Python program. The call exit(0) indicates successful execution of a program whereas exit(1) indicates some issue/error occurred while executing a program. What is the Exit Code? Let’s have a look at some examples to get a clear picture … Read more
Today, when trying to get some information about specific pip packages, I wanted to use the pip search command in my local computer’s PowerShell. pip search Here’s the syntax: py -m pip search [options] <query> The semantics of pip search is to find PyPI packages that contain the <query> in their package name. Error Message … Read more
In this tutorial, we will see what the Pandas groupby() method is and how we can use it on our datasets. Described in one sentence, the groupby() method is used to group our data and execute a function on the determined groups. It is especially useful to group a large amount of data and to … Read more
Problem Formulation What’s the difference between the built-in dir() function and __dir__ dunder method in Python? Quick Answer Python’s built-in function dir(object) returns a list of the object’s attribute names and method names. The dir() function is a wrapper around the __dir__() method because it internally calls the object’s dunder method object.__dir__(). But the two … Read more
Learn how to solve the climbing staircase problem in this article:
(i) Recursively
(ii) Iteratively
Problem Formulation Given a Python loop and a logical condition. How to restart the loop if the condition is met? Solution 1: Reset While Loop The while loop checks a condition in order to determine whether the loop body should be executed or not. You can reset the condition to the initial value in order … Read more
Problem Formulation Given a string representation of a dictionary. How to convert it to a dictionary? Input: ‘{“1”: “hi”, “2”: “alice”, “3”: “python”}’ Output: {‘a’: 1, ‘b’: 2, ‘c’: 3} Method 1: eval() The built-in eval() function takes a string argument, parses it as if it was a code expression, and evaluates the expression. If … Read more
Problem Formulation Given a Unicode string representation of a dictionary. How to convert it to a dictionary? Input: u”{‘a’: 1, ‘b’: 2, ‘c’: 3}” Output: {‘a’: 1, ‘b’: 2, ‘c’: 3} Note: The u’string’ representation represents a Unicode string that was introduced in Python 3. This is redundant as all strings in Python 3 are … Read more