modified md

Agent_random.md

@@ -50,7 +50,7 @@ def at_random():
     if random.random()>0.5: a=1
     else: a=0
     return a
-```python
+```
 
 
 
@@ -101,7 +101,7 @@ for i in range(0,30000):
 _=plot(np.cumsum(a.allmove),color="b")
 _=plot(np.cumsum(b.allmove),color="r")
 
-```python
+```