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Mike Driscoll

@driscollis

Mar 15

I was recently asked what a #Python developer's salary was.

Let's see if we can find out in this mini-thread!

🧵🐍

If I Google for "python job salary", I get a range of $45k - 110k per year

This seems about right to me.

The salary range is based primarily on the following two factors:

🐍 Experience
🐍 Location

A lot of Python jobs may not be listed as "Python jobs" though.

For example, if I Google for "Django jobs salary", then the range changes to $101k - 150k

Django is a Python web framework

Read 5 tweets

Mike Driscoll

@driscollis

Mar 15

I have had several people ask about async and #Python

I don't write on this topic much as I always seem to find bad examples.

So let's talk about some good articles you can read instead!

@realpython

@realpython has more than one article. Here's a good one to start with:

realpython.com/async-io-pytho…

@realpython

Here's another good article from @realpython

realpython.com/python-async-f…

Read 4 tweets

Mike Driscoll

@driscollis

Mar 14

Did you know that there is a special "py" launcher for #Python on Windows?

I think that is the perfect thing to talk about on Pi Day!

🐍🥧#piday2022

The "py" launcher for Windows was added way back in #Python 3.3 and was proposed in PEP 397 🐍🔥

Here are the details:

python.org/dev/peps/pep-0…

To use the "py" launcher on Windows, just enter the following in the command prompt:

py

That should launch the latest Python version available on your machine.

If you have multiple versions, you can pick them like this:

py -2.7

docs.python.org/3/using/window…

Read 7 tweets

Mike Driscoll

@driscollis

Feb 18

Today we are going to talk a little about creating command-line applications using #Python and its built-in `argparse` package!

🧵🐍👇

In this example of using `argparse`, you don't even create any custom arguments! You just create an ArgumentParser argument and call `print_help()`!

You can see in this example that `argparse` already provides useful information to your users without adding any arguments!

Normally when you create an `ArgumentParser` object, you would do so in a function and return the object.

Let's rewrite the previous example to follow that coding pattern:

Read 11 tweets

Mike Driscoll

@driscollis

Feb 17

Even if you are a beginner, you have probably used #Python's built-in `print()` function.

But let's take a few minutes to talk about the humble `print()` function and see what you might have missed!

#python_builtins_by_driscollis

🧵🐍👇

The `print()` function takes the following arguments:

🐍 *objects - Stuff to print
🐍 sep=' ' - A string to separate object
🐍 end='\n' - A string to end on
🐍 file=sys.stdout - Where to write the data
🐍 flush=False - Whether or not to force flush the stream

Let's look at some examples of using Python's `print()` function:

Read 5 tweets

Mike Driscoll

@driscollis

Feb 17

#Python has an awesome library called `collections`! One of my favorite tools from that library is the `Counter` class.

Here I use `Counter` to find the most common occurrences of a value in a list:

Let's use `collections.Counter()` to count letters in a string!

Note that the object that is returned by the Counter class can be accessed like a dictionary!

Python's `collections.Counter()` class has special methods that you can use to `subtract()` items from the counter object.

Here's an example:

Read 4 tweets

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