<jupyter_start><jupyter_text>Numbpy BasicsI am trying to teach myself the basics I need to do machine learning for stock analysys and hopefully automated tradinghttps://numpy.org/doc/stable/user/quickstart.html  InitializationInitialize array to an incremented set<jupyter_code>import numpy as np
a = np.arange(15)
a<jupyter_output><empty_output><jupyter_text>ReshapingChange data into rows (3), columns (5)<jupyter_code>import numpy as np
a = np.arange(15).reshape(3,5)
a<jupyter_output><empty_output>
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