Getting Stared with Matplotlib - Create a Scatter Plot using Pyplot

Scatter plots show how much one variable is affected by another. The relationship between two variables is called their correlation.

INSTRUCTIONS

Import pyplot

import matplotlib.<< your code goes here >> as plt

Import rand to generate random values for the x-, and y-coordinates
```
from numpy.random import << your code goes here >>
```
Now we will call the scatter module to generate the scatter plot.
```
for color in ['red', 'green', 'blue']:
    n = 100
    x, y = rand(2, n)
    scale = 500.0 * rand(n) ** 5
    plt.<< your code goes here >>(x, y, s=scale, c=color, alpha=0.3, edgecolors='blue')

plt.grid(True)
plt.show()
```
Here, s is a scalar or array-like shape, and is an option argument. c defines the color. alpha defines the alpha blending value, or the transparency. edgecolor is the line color of the shapes. grid displays the plot grid.

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