# self avoiding in two dimension. i dont know how can i choose succed walkers?

```
for j in range(5):"number of walkers"
x = 0; y = 0
k=0
sites=[]
x points=[]
y points=[]
for i in range(6):"number of walks"
p=rand range(4)
if p==0:
x+=1
elf p==1:
y+=1
elf p==2:
x-=1
elf p==3:
y-=1
sites.append([x,y])
x points.append(x)
y points.append(y)
print sites
```

What is your question ?