擅长:python、mysql、java
<p>调用函数时需要提供<code>arguments</code>。你知道吗</p>
<pre><code>import math
# ring size calculating function
def areaOfRing(r_out, r_in):
r_outs = (r_out**2)*math.pi
r_ins = (r_in**2)*math.pi
ring_size = r_outs - r_ins
return ring_size
r_out = int(input("Insert rings outside raadius: "))
r_in = int(input("Insert rings inner raadius: "))
ring_size = areaOfRing(r_out, r_in)
print('Ring size is = ',ring_size)
</code></pre>