def yunxi():
start =time.clock()
sum=0
for i in range(1,101):
sum=sum+i
print(sum )
end = time.clock()
print(‘Running time: %s Seconds’%(end-start))
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def yunxi():
start =time.clock()
sum=0
for i in range(1,101):
sum=sum+i
print(sum )
end = time.clock()
print(‘Running time: %s Seconds’%(end-start))