Python Program 4 : Graph of Fibonacci sequence

import numpy

import matplotlib.pyplot

Fab_Series = [0, 1]

list1 = []

def makelist(k):

    k = k-2

    c = 0

    Number = 2

    while c < k:

        Number = Number + 1

        list1.append(Number)

        c += 1

a = int(input("Enter number till you want  Fibonacci sequence : "))

makelist(a)

for x in list1:

    sum = Fab_Series[x - 3] + Fab_Series[x-2]

    Fab_Series.append(sum)

#print(Fab_Series)

sq = numpy.sqrt(Fab_Series)

matplotlib.pyplot.plot(range(0, a), Fab_Series)

matplotlib.pyplot.plot(range(0, a), sq)

matplotlib.pyplot.show()