In [1]:

    

%matplotlib inline
from IPython.html.widgets import interact, fixed, interactive
import matplotlib.pyplot as plt
import numpy as np


    

In [2]:

    

def plot_sin(n, phi, title='Trigonometric Functions'):
    x = np.linspace(-2*3.14, 2*3.14, 1000)
    y1 = np.sin(n*(x-phi))
    y2 = np.cos(n*(x-phi))
    plt.plot(x, y1, label='Sin(nx)')
    plt.plot(x, y2, label='Cos(nx)')
    plt.title(title)
    plt.legend()
    plt.axis([0, 2*3.14, -1.1, 1.1])


    

In [3]:

    

interact(plot_sin, n=(0, 10), phi=(0, 2*3.14, 0.1))


    

In [4]:

    

@interact(x=True, y={'netherlands': 1, 'india': 10})
def g(x, y):
    print(x, y)


    

    




(True, 1)