Python is a popular programming language that is widely used by both beginners and professional developers. Modern versions of Mac OS support Python 2.7.x (or Python 2.6.1 in older versions), but many users need to upgrade to Python 3.6 or 3.7.
But the first step is to install the related packages on your OS, this article will tell you how to install it on Windows, Mac and Linux. Install Numpy, Pandas, Scipy, Matplotlib With Anacond. Anaconda is a python edition which is used in scientific area, so if you install anaconda, all above packages will be installed automatically. Jul 10, 2020 pip install pandas-datareader Copy PIP instructions. Latest version. Released: Jul 10, 2020. Requires: Python =3.6 Maintainers bashtage dstephens99. In this short tutorial we will learn how to install Pandas in Python. In fact, we will install Python using two methods; by installing the scientific Python.
Today I will explain how to install the Python 3 update on a Mac in two different ways.
Note that I mean “install update” rather than “upgrade”, since Python 2 will remain on the Mac with this method. Some Mac programs require Python 2, and when upgrading they may start to malfunction or stop working altogether. Therefore, we will not update the installed version, but install Python 3 in parallel. Python 3 and Python 2 can coexist on the same Mac without conflicts, just the commands will differ slightly.
How to install Python 3 in macOS with Installer
The easiest way is to download the Python installer from the python.org website.
- Visit Python.org and download the latest available Python installer file;
- Run the downloaded file and install Python 3.x on Mac.
- Python 3.6.x requires about 100MB of available disk space. The installation process is very fast;
- When Python 3 is installed, you will see the Python3 folder in /Applications on your Mac. You will also see IDLE in the /Applications.
Next method will show you how to install Python 3.x on a Mac through Homebrew.
How to install Python 3 using Homebrew
Installing an updated version of Python 3 through Homebrew is extremely simple. Of course, Homebrew should be installed on your computer, however, if you are interested in this method, then you probably have already used the program more than once.
Read more:How to Format USB for macOS and Windows?
If you haven’t Homebrew in your system, you can take script for Homebrew installing here. This script installs Homebrew to /usr/local so that you don’t need “sudo” when you brew install. Jar editor. It is a careful script; it can be run even if you have stuff installed to /usr/local already. It tells you exactly what it will do before it does it too. You have to confirm everything it will do before it starts.
Now to install Python 3 via Homebrew, run the following command in Terminal:
When Python 3 is installed on a Mac, you can start the program with:
In any case, after installing Python 3 on a computer, the version of Python 2.7 will still remain on it, and you will be able to use it.
How to Find out the Installed Version of Python
Open the Terminal program and use the following command:
In most cases, Python 2.7.x will be installed on macOS: either 2.7.4 or 2.7.10.
If you installed the Python update, you can check the version with the following command:
Once again, both versions of Python can coexist without conflicts.
Note: Once again, I want to remind you that you do not need to upgrade Python 2.x to Python 3.x, because this can lead to program malfunctions. Just install the updated version in parallel.
Background:
This article will instruct you on how to install the newest version of Python and PyCharm.
I have a video: https://youtu.be/oyzH4M6X6F4 on YouTube that shows you this material as well.
Python is the most popular new programming language, and as of this writing is at version 3.7
PyCharm (Pie-Charm) is a great IDE for python similar to Visual Studio code, but more mature in its features. It is made by JetBrains that also developed Android Studio for Google apps.
PyCharm comes in a free 'community edition' or a paid pro edition. The paid pro edition is free to educators and students that provide proof of such.
The macOS comes with python2.7 already installed. You should leave it alone and install the newer version of python so both will be on your system when you are done.
Existing python2.7
The macOS comes with python2.7 already installed. You should leave it alone and install the newer version of python so both will be on your system when you are done. There may be apps that depend on the older 2.7 being present.
You can invoke python and idle from the terminal application as show here:
Here is a view of my invoking python --version to see the version installed and starting idle shown in the background. In idle I have type the version 2.7 print statement followed by a comment and it ran and did the output.
Installing Python:
When you install python, you are installing several tools and a directory of a 'framework' of libraries to run python.The most important tools you will be using are python3, idle3, and pip3, and these are the names of the commands for these tools in the terminal application.
python3 will run python programs.
idle3 allows you to type in python code and run it interactively.
pip3 allows you to add packages or modules to python to do more things, there are thousands of python modules.
1. Open a browser and go to python.org:
Just click on downloads in the menu, and then click on the Python 3.7.0 button, or a later version if it has changed since this post. This will start the download to your downloads area called python-3.7.0-macosx10.9.pkg where the version number 3.7.0 may be more advanced.
Find the file in finder and open it to start the process:
Through most of the process we will accept the defaults and continue:
Click continue on the 'Introduction' panel.
Click continue on the 'Read Me' panel.
Click continue on the 'License' panel, then agree with the License Agreement.
Click install on the 'Destination', and then enter your password to continue.
The Summary panel and a documentation page will open. Click the close button the panel.
The last dialog asks if you want to move the installer to the Trash. You should choose to do so.
Verify it is installed
Now open the Terminal application and type python3 and hit enter.
You should see the version information as show below and then a >>> prompt
Type 2 + 2and hit enter, and it will evaluate this as a python statement and type the correct result
Type exit() and hit enter and it will exit the python interpreter.
Close the terminal
At this point you should have python3, idle3 and pip3 commands available from the terminal
The location of python3.7 will be at the folder /usr/local/bin You will refer this path later for PyCharm.
Also for your information, all the files for this new python will be located at
/Library/Frameworks/Python.framework/Versions/3.7/
Installing PyCharm
Open a browser and click on: PyCharm DownloadClick on the Download
button for the Community Version which is free.
When download is complete open the pycharm-community-2018.2.dmg file.
Drag the PyCharm CE. app file to the applications folder to install.
Go to your applications folder and open PyCharm CE, choose open in the resulting security dialog.
If you see the Customize PyCharm dialog, just choose the Skip Remaining and Set Defaults button in the lower left.
You should see:
Pull down the Configure Menu at bottom right and choose Preferences.
You will see:
Choose the Project Interpreter from the left menu.
Click the gear icon on far right of Project interpreter box and choose Add..
Install Pandas For Python 3 Mac Terminal
Click on the System Interpreter on left menu. Now, in the interpreter box you should see
/usr/local/bin/python3.7
This is the location of where you just installed python, if it does not list this, use the arrow to pull down a list of python versions installed on your machine and choose the one you just installed.
Click OK, and then when the Project Interpreter dialog shows, click OK to that.
PyCharm will be busy for a while, just wait till it is done and is back to the window that has the choices: +Create a new Project, Open, and Check out from Version Control.
PyCharm is now ready to use. You could close it now. We will write a small program and point out some features.
Write a program in PyCharm
If PyCharm is not open, then open it. and select +Create a new Project
You see:
The untitled1 is already selected, just type hello to replace it, this is our new project name and it will create a folder at: /Users/name/PycharmProjects/Hello where name is your mac user name.
Click Create.
Your new Hello project will open this main window:
The small Tip of the Day show up to teach you about using PyCharm, just click close for now. But remember that they may be useful later, You can always get it back from the Help menu.
Right click on the Hello folder listed in the 'Project' panel on the left side and choose
New --- Python File
Python For Mac
Type hello for the file name, PyCharm will add the python extension .py to it automatically.Your text cursor will now be in the large editing area ready for you to write a program. Type the following program in:
name = input('name? ')
print(f'Hello {name}')
Then right click anywhere in the editing area and choose Run 'hello' or you can just use the keyboard shortcut ctrl+Shift R
This will open a Run panel at the bottom that should now show:
/Users/gjenkins/Hello/bin/python /Users/gjenkins/PycharmProjects/Hello/hello.py
name?
Go ahead and type your name in and hit enter.
it should now complete the program by outputting hello and your name:
/Users/gjenkins/Hello/bin/python /Users/gjenkins/PycharmProjects/Hello/hello.py
name? Gerry
Hello Gerry
You window should look like this when you have run your program:
Note: the first line before your program runs is the command that PyCharm executes to run your project. You can actually copy and paste it into terminal to run your project. There are two parts:
/usr/local/bin/python3.7 is the location of the python you installed.
The second part is the path to the actual py file in your project folder to execute
/Users/gjenkins/PycharmProjects/Hello/hello.py
Trick to see all the installed terminal commands for python 3.7:
Open terminal and type this command:ls -l /usr/local/bin | grep '3.7'
That's It,
Happy coding, and check out my video and subscrib to my YouTube Channel: gjenkinslbcc