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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def trace(function, *args, **k) : 	"""Decorates a function by tracing the begining and 	end of the function execution, if doTrace global is True"""


	if doTrace : print ("> "+function.__name__, args, k)
	result = function(*args, **k)
	if doTrace : print ("< "+function.__name__, args, k, "->", result)
	return result