import matplotlib.pyplot as plt
import numpy as np

# easily write a matrix:
def matrix(string):
    return np.array([
        list(map(float, line.split()))
        for line in string.strip().splitlines()
    ])

def simplePlot( title, xdata, ydata):
     plt.plot(xdata,ydata)
     plt.title(title)
     plt.show()

a = matrix("""
1 2 3 4
5 6 7 8
""")

print("Min matrise:")
print(a)

simplePlot("Rare data", [1,2,3],[3,1,2])