擅长:python、mysql、java
<p>这应该够了</p>
<pre><code>with open('BikeOutput.txt','w') as myfile:
while a < mass_of_rider_kg+20:
a = a + 4
pAir = .18*coefficient_of_drafting*(velocity_in_ms**3)
pRoll = .001*9.8*(a+mass_of_bike_kg)*velocity_in_ms
pSec = pAir+pRoll
print(a, '\t', pSec)
myfile=open('BikeOutput.txt','w')
myfile.write('data:' + str(a) + str(mass_of_bike_kg) + str(velocity_in_ms) + str(coefficient_of_drafting) + str(pSec) + "\n")
</code></pre>