# question 3

N0=1
N1=N0*2
print({N1})

N0=1
g=3
Ng=N0*2**3
print({Ng})

# question 4

def N_vect(N0, r, ng):
    suite = [N0 * (r ** i) for i in range(ng)]
    return suite

N0 = 1
r = 2
ng = 5
resN = N_vect(N0, r, ng)
print(resN)



# question 5

# pip install numpy
import numpy as np

def time_vect(t0, ng, T):
    return np.arange(t0, t0+ng * T, T) # fonction qui permet de créer un vecteur avec début, fin et increment

ng = 5
t0 = 0
T = 20
resT = time_vect(t0,ng,T)
print(resT)