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title: troubleshooting: python 3 is not recognized – a step-by-step guide
introduction:
one common issue that python developers may encounter is the “python 3 is not recognized” error. this error typically occurs when attempting to run a python script or command in the terminal, and it indicates that the system is unable to locate the python interpreter. this tutorial will guide you through the troubleshooting process to resolve this issue.
step 1: verify python installation:
firstly, ensure that python 3 is installed on your system. you can check this by opening a terminal or command prompt and typing the following command:
if python 3 is installed, the version number should be displayed. if not, you need to download and install python 3 from the official python website:
step 2: add python to system path:
sometimes, the system might not recognize python because it’s not added to the system’s path variable. to add python to the path, follow these steps:
on windows:
on macos/linux:
step 3: verify path changes:
after adding python to the path, close and reopen the terminal or command prompt. then, type the following command to check if python is recognized:
this should display the python version without any errors.
step 4: check python alias (linux/macos):
on unix-like systems, ‘python’ might be an alias for python 2. check if ‘python’ refers to python 2 by running:
if there is an alias, update it to point to python 3 by adding the following to your shell profile:
step 5: reinstall python:
if the issue persists, you might consider reinstalling python. uninstall
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