**Üstel dağılım**

import numpy as np

N=1000
lamda=2
u=np.random.rand(N)
 
x=(-1/lamda)*np.log(u)

ort=np.mean(x)
m=1/lamda

var=np.var(x)
v=1/(lamda**2)

beta=1/lamda
x1=(-beta)*np.log(u)