def strTest():
name = ""
for i in range(10):
name += "hello"
#print name
def strTest2():
nameList = ["hello","hello","hello","hello","hello","hello","hello","hello","hello","hello"]
name = "".join(nameList)
#print name
if __name__ == "__main__":
import timeit
t = timeit.Timer("strTest()","from __main__ import strTest")
t2 = timeit.Timer("strTest2()","from __main__ import strTest2")
print t.timeit()
print t2.timeit()