擅长:python、mysql、java
<p>求平均值的方法是跟踪所有数字和“项目”的“和”,完成后将两者分开。在</p>
<p>所以像这样:</p>
<pre><code>nCount = 0
nSum = 0
nA = 1
print ('enter numbers to find the average')
print ('enter 0 to quit.')
while nA != 0:
nA = input ('gemmi a number:')
if nA != 0:
nCount = nCount + 1
nSum = nSum + nA
dAvg = nSum / nCount
print 'the total amount of numbers is' , nCount
print 'your average is' , dAvg
</code></pre>