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from __future__ import print_function
import time
import queue
Q = queue.Queue()
Q.append(10)
Q.append(20)
print(Q.peek())
print(Q.pop())
print(Q.pop())
try:
print(Q.pop())
except IndexError as e:
print("Error message:", e) # Prints "Queue is empty"
i = 10000
values = range(i)
start_time = time.time()
Q.extend(values)
end_time = time.time() - start_time
print("Adding {} items took {:1.3f} msecs.".format(i, 1000 * end_time))
for i in range(41):
Q.pop()
Q.pop()
print("The answer is:")
print(Q.pop())
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