import timeit
def m1():
i = 0
r = range(10000)
for _ in r:
i += 1
def m2():
i = 0
r = range(10000)
for _ in r:
if i < 9999:
i += 1
def m3():
i = 0
r = range(10000)
while i < 9999:
i += 1
print(timeit.timeit(m1, number=2000))
print(timeit.timeit(m2, number=2000))
print(timeit.timeit(m3, number=2000))
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