In [69]:
import numpy as np
import matplotlib.pyplot as plt
In [70]:
N=10000
x=np.empty(N)
y=np.empty(N)
x[0]=y[0]=0
for i in range(1,N):
x[i]=x[i-1]+np.random.choice([-1,1])
y[i]=y[i-1]+np.random.choice([-1,1])
In [71]:
plt.step(x,y)
plt.xlabel('x')
plt.ylabel('y')
plt.show()
