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49	49	**Slide** listing learning objectives
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52		-In this tutorial, I will guide you through setting up PyNN, together with the NEST, NEURON and Brian 2 simulators, in a Linux  environment. Note that we have a dedicated version of this tutorial for other environments, such as Mac OS, Windows and EBRAINS Jupyter Lab.
	52	+In this tutorial, I will guide you through setting up PyNN, together with the NEST, NEURON and Brian2 simulators, in a Linux  environment. Note that we have a dedicated version of this tutorial for other environments, such as Mac OS, Windows and EBRAINS Jupyter Lab.
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114	114	Now that we have our project's virtual environment setup, we are now ready to install PyNN and other simulators. In general, it is advisable to install the various simulators (especially NEURON and NEST) prior to installing PyNN, because PyNN will then auto compile NEURON's NMODL fles and NEST's extensions during installation. Alternatively, this would need to be done manually as described on the PyNN website. In this tutorial, we will adopt the easier approach and begin by installing the simulators. For the purposes of this tutorial, we shall demonstrate the installation of Brian2, NEURON and NEST simulators.
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116		-We start here with the installation of Brian 2. Brian 2 can be installed simply using the pip command.
	116	+We start here with the installation of Brian2. Brian2 can be installed simply using the pip command.
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121	121	\\(% style="color:#000000" %)pip install brian2
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124		-This will install Brian 2, along with all its dependencies such as 'cython', 'numpy', etc. We can now go back into our virtual environment's 'site-packages' directory to see how it is now populated with all these packages.
	124	+This will install Brian2, along with all its dependencies such as 'cython', 'numpy', etc. We can now go back into our virtual environment's 'site-packages' directory to see how it is now populated with all these packages.
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129	129	\\(% style="color:#000000" %)<< show directory contents lib/python3.9/site-packages >>
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132		-To confirm that we have properly installed Brian 2 on our computer, we can test as follows:
	132	+To confirm that we have properly installed Brian2 on our computer, we can test as follows:
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139	139	\\exit()
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142		-If there are no error messages here, and the import is successful, then we have completed installing Brian 2.
	142	+If there are no error messages here, and the import is successful, then we have completed installing Brian2.
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145		-We shall now move on to install the NEST simulator. Unlike Brian 2, NEST is not a Python package and therefore its installation is a bit more involved. We shall install the NEST module along with PyNEST, which is a Python interface for controlling the NEST kernel.
	145	+We shall now move on to install the NEST simulator. Unlike Brian2, NEST is not a Python package and therefore its installation is a bit more involved. We shall install the NEST module along with PyNEST, which is a Python interface for controlling the NEST kernel.
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147	147	We first install the NEST module. Version 2.20 is currently supported by PyNN, and it is likely that other versions of NEST might have issues when used with the current version of PyNN. The installation is done by first adding the PPA repository for NEST and updating apt, followed by the installation of NEST itself.
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