3 Computational tools
In [1]: import numpy as np
In [2]: np.random.seed(123456)
In [3]: np.set_printoptions(precision=4, suppress=True)
In [4]: import pandas as pd
In [5]: import matplotlib
In [6]: matplotlib.style.use('ggplot')
In [7]: import matplotlib.pyplot as plt
In [8]: plt.close('all')
In [9]: pd.options.display.max_rows=8