threading lock in python

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Calvin
15 Aug 2016
1import threading
2lock = threading.Lock()
3def check_this():
4    with lock:   
5      	"""
6        acquires lock at the beginning 
7        and releases at the end of this block
8        """
9        
10        a, b = 1, 0
11        print("locked")
12        try:
13            print(a // b)
14        except Exception as _:
15            print(_)
16        print("lock is released")
17   
18[threading.Thread(target=also_this).start() for _ in range(2)]