Listing 4 shows the printPassword subroutine, which is used to print out the password keys and timings for reference.
清单4显示了printpassword子例程，该子例程用于输出密码键和计时以供参考。
Listing 4 shows the printPassword subroutine, which is used to print out the password keys and timings for reference.
清单4显示了printpassword子例程，该子例程用于输出密码键和计时以供参考。
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