A close-up image of the rear of a bicycle - including the chain, wheel and brakes. Found in everyday items like clocks and bicycles, gear trains can increase speed while decreasing force ...

did not modify these methods and are therefore using them incorrectly. # You will not be submitting utils.py anyway, so these first three tests are # solely for your own benefit, as a sanity check.

1 Day UPS 0.55% DJIA 1.30% S&P 500 1.73% Transportation/Logistics 0.08% ...

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