Names that look like numpy.array are links to detailed documentation.
numpy.array
Examples often include the Python prompt >>>. This is not part of the code and will cause an error if typed or pasted into the Python shell. It can be safely typed or pasted into the IPython shell; the >>> is ignored.
>>>
Examples often use np as an alias for numpy; that is, they assume you’ve run:
np
numpy
>>> import numpy as np
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