wam.py

import time

# Given the function:

def hello(name):
   print "hello %s!" % name

# Implement logic such that the function cannot be called more than 3 times per second. If that rate is exceeded, raise an exception.

for i in range(10):
   hello('brian')
   
   

def rate_limiter(func):
   
   last_time_called = None
   def inner(*args, **kwargs):
       current_time_stamp = time.time()
       if last_time_called is None or current_time_stamp - last_time_called > (1.0/3.0):
           last_time_called = current_time_stamp
           return func(*args, **kwargs)
       else:
           raise Exception()
   return inner