circuitpython/tests/internal_bench/bytebuf-1-inplace.py

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# Doing some operation on bytearray
# Inplace - the most memory efficient way
import bench
def test(num):
for i in iter(range(num//10000)):
ba = bytearray(b"\0" * 1000)
for i in range(len(ba)):
ba[i] += 1
bench.run(test)