import matplotlib.pyplot as plt
from numpy.random import rand
for color in ['red', 'green', 'blue']:
    n = 750
    x, y = rand(2, n)
    scale = 200.0 * rand(n)
    plt.scatter(x, y, c=color, s=scale, label=color, alpha=0.3, edgecolors=
        'none')
plt.legend()
plt.grid(True)
plt.tight_layout()
plt.show()

9cc0e487479486749c65de7bb02534ebce845737
<mask token>

<mask token>
for color in ['red', 'green', 'blue']:
    n = 750
    x, y = rand(2, n)
    scale = 200.0 * rand(n)
    plt.scatter(x, y, c=color, s=scale, label=color, alpha=0.3, edgecolors=
        'none')
plt.legend()
plt.grid(True)
plt.tight_layout()
plt.show()

import matplotlib.pyplot as plt
from numpy.random import rand
for color in ['red', 'green', 'blue']:
    n = 750
    x, y = rand(2, n)
    scale = 200.0 * rand(n)
    plt.scatter(x, y, c=color, s=scale, label=color, alpha=0.3, edgecolors=
        'none')
plt.legend()
plt.grid(True)
plt.tight_layout()
plt.show()
