conda:tldr:e8081
The command "conda install ${python=3-4 numpy}" is used to install the NumPy package for a specific version of Python.
Let's break down the command:
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"conda install" is the command to install packages using the Conda package manager.
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"${python=3-4}" is a placeholder that represents the Python version range. The syntax "${variable_name=default_value}" is used to set variables in Conda commands. In this case, it sets the variable "python" to a range of Python versions from 3 to 4, inclusive.
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"numpy" is the package name. It's the package you want to install.
Therefore, the command is telling Conda to install the NumPy package for a Python version between 3 and 4 (inclusive). The actual version of Python within that range will be determined by your Conda environment or configuration.