In [1]:
2+2
Out[1]:
4

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In [6]:
from ipywidgets import StaticInteract, RangeWidget, RadioWidget
%matplotlib inline
from matplotlib import pyplot as plt
import numpy as np
def  quadr_func(a,b):
    fig = plt.figure()
    x = np.linspace(-2,2,20)
    y = a*x**2+b*x
    ax = fig.add_subplot(111)
    ax.plot(x, y)
    return fig

StaticInteract(quadr_func, a=RangeWidget(-1,1,0.55), 
               b=RangeWidget(-1,1, 0.55))
Out[6]:
a:
b:
In [ ]: