#!/usr/bin/env python
# coding: utf-8

# In[1]:


from IPython.html.widgets import interact


# In[2]:


get_ipython().run_line_magic('matplotlib', 'inline')
import matplotlib.pyplot as plt
import numpy as np


# In[3]:


def plot_sine(n,c):
    print(n)
    x = np.arange(0, 20, 0.1);
    y = np.sin(x/n+c)
    plt.plot(x, y)


# In[4]:


interact(plot_sine, n=(1,10, 0.1),c=(-10,10,.1))