Creating a 2D array
Multi-dimensional arrays can be useful for several tasks. In finance, for example, a 2D array may be used to store the prices and earnings for various companies. Let's create this 2D array, stock_array, from a list of prices and earnings.
numpy is imported as np and the two lists prices and earnings are available in your workspace.
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Introduction to Python for Finance
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# Create a 2D array of prices and earnings
stock_array = np.array(____)
print(stock_array)
# Print the shape of stock_array
print(stock_array.____)
# Print the size of stock_array
print(stock_array.size)