擅长:python、mysql、java
<p>您需要:</p>
<pre><code>import numpy as np
def price(x):
if x<=0: return 0
tax = 0.06
a = np.array([0.01, 6, 12.01, 17.01, 25.01])
b = np.array([10, 13, 16, 19, 22])/100
tip = dict(zip(a, b)).get(a[(x>=a).sum()-1] , 0)
return round(x * (1 + tax ) + tip,3)
</code></pre>
<p>对于价格5,我们有<code>5+(5*0.06) +0.1 = 5.4</code>,价格=17,然后是{<cd2>},对于{<cd3>}:
现在调用我们的<code>price</code>函数:</p>
^{pr2}$