hist.py

import matplotlib.pyplot as plt
from pylab import rand
from random import randint
import numpy as np

# random.randint(a, b) # Return a random integer N such that a <= N <= b.

# numpy.random.randint(low, high=None, size=None, dtype='l') # Return random integers from low (inclusive) to high (exclusive).


#Z = np.random.randint(4, 9+1, 1000)
X = np.random.randint(0, 6+1, size=100)
Y = np.array([ randint(0, 6-xi) for xi in X])
plt.scatter(X,Y, color='r', alpha=0.1)
plt.xlabel("X")
plt.ylabel("Y")
plt.show()