Type checking or hinting is a newer feature of Python that was added in Python 3.5. Type hinting is also known as type annotation. Type hinting is adding special syntax to functions and variable declarations that tell the developer what type the argument or variable is. Python does not enforce the type hints. You can […]
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What does it mean to profile ones code? The main idea behind benchmarking or profiling is to figure out how fast your code executes and where the bottlenecks are. The main reason to do this sort of thing is for optimization. You will run into situations where you need your code to run faster because
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This week we welcome Mike Pirnat (@mpirnat) as our PyDev of the Week! Mike is an organizer for PyOhio and an active member of the Python community. You can catch up with Mike on his website. Let’s spend some time getting to know Mike! Can you tell us a little about yourself (hobbies, education, etc):
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You will be using strings very often when you program. A string is a series of letters surrounded by single, double or triple quotes. Python 3 defines string as a “Text Sequence Type”. You can cast other types to a string using the built-in str() function. In this article you will learn how to: Create
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This week we welcome Pablo Galindo Salgado (@pyblogsal) as our PyDev of the Week! Pablo is a core developer of the Python programming language. He is also a speaker at several Python related conferences. If you’d like to see what projects he is contributing to, you can check out his Github profile. Let’s spend some
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Dictionaries are another fundamental data type in Python. A dictionary is a key, value pair. Some programming languages refer to them as hash tables. They are described as a mapping object that maps hashable values to arbitrary objects. A dictionary’s keys must be immutable, that is, unable to change. Starting in Python 3.7, dictionaries are
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This week we welcome Abigail Mesrenyame Dogbe (@MesrenyameDogbe) as our PyDev of the Week! Abigail is active with the PyLadies organization in Africa and has also helped organize PyCon Africa. Abigail is also a fellow of the Python Software Foundation. Let’s spend some time getting to know Abigail better! Can you tell us a little
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Tuples are another sequence type in Python. Tuples consist of a number of values that are separated by commas. A tuple is immutable whereas a list is not. Immutable means that the tuple has a fixed value and cannot change. You cannot add, delete or modify items in a tuple. Immutable objects are useful when
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Python is one of the most popular languages in the world. I have been using it myself for over a decade and am still constantly learning new things. Since so many people are stuck at home, I thought it might be a good time to do a book sale. Now is great time to learn
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The original Python 101 was the first book I had ever written. In deciding to write a 2nd edition, I needed to decide what I should keep and what I should remove from the book. What I ended up doing was rewriting the book from the ground up. In the original book, Python 101 was
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This week we welcome Komiya Takeshi as our PyDev of the Week! Takeshi is a maintainer of Sphinx, Python’s documentation package. Takeshi is also the creator of blockdiag, diagram image generator. If you are interested in seeing some of the other projects that Komiya contributes to, you should check out his Github profile. Let’s spend
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My Kickstarter for the 2nd Edition of Python 101 is ending in less than two days. If you want a signed copy or to purchase one of my other books for a discount, you should check out the Kickstarter as I have lots of good deals on there. Also, note that the 2nd Edition of
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This week we welcome Jessica Garson (@jessicagarson) as our PyDev of the Week! Jessica is a developer advocate at Twitter. She also teaches Python at New York University. You can see some of what she’s up to over on Github. Let’s spend some time getting to know her better! Can you tell us a little
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Lists are a fundamental data type in the Python programming language. A list is a mutable sequence that is typically a collection of homogeneous items. Mutable means that you can change a list after its creation. You will frequently see lists that contain other lists. These are known as nested lists. You will also see
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This week we welcome Tommy Falgout (@lastcoolname) as our PyDev of the Week! Tommy works on the Robo-Clippy project. You can see what else he is up to by checking out his website. Let’s take a few moments to get to know Tommy better! Can you tell us a little about yourself (hobbies, education, etc):
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