import matplotlib.pyplot as plt
c = [1,2,3]
x = [0, 2, 4, 8]

def polynomial():
    for i in range(len(x)):
        ans = 0
        for n,a in enumerate(c): #uzycie enumarate
            ans = sum((a*x[i]**n, ans)) #uzycie sum
        yield ans

p = (list(polynomial()))
print(p) #wynik sie zgadza


#2

import matplotlib.pyplot as plt
c = [1,2,3]
x = [0, 2, 4, 8]

def polynomial():
    for i in range(len(x)):
        ans = 0
        for n,a in enumerate(c): #uzycie enumarate
            ans = sum((a*x[i]**n, ans)) #uzycie sum
        yield ans

p = (list(polynomial()))
print(p) #wynik sie zgadza

n = 100
xd = [8*x/100 for x in range(0,100)]
y = [xd**2 for xd in xd]

plt.plot(x,p)
plt.plot(xd,y)

plt.show()