Do you even Refactor? 003
Feb 15, 2021
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Code refactoring is crucial but often overlooked. It can improve the design and performance of existing code.
The Python code below takes about 14 seconds to complete. Refactor the getData
function to make it run in less than 10 seconds. Post your answer in the comments.
import timedef getData():
arr = []
for i in range(1000*1000*50):
arr.append(i)
lo, hi = 0, 0
for x in arr:
if x < lo:
lo = x
if x > hi:
hi = x
print(lo, hi)
return arrdef timed(func):
def run():
Tstart = time.time()
func()
Tend = time.time()
Tdt = round(Tend - Tstart, 2)
print(Tdt, 'seconds')
return run@timed
def main():
data = getData()
print('len:', len(data), 'sum:', sum(data))main()