擅长:python、mysql、java
<p>看起来在print语句的倒数第二行有一个额外的“+”。我建议分解各个组件的格式,使其更具可读性。在</p>
<p>下面这样的方法应该有效:</p>
<pre><code>monthStr = format( totalnumberofmonths, "d")
inchStr = format(totalinchesofrainfall, ".2f")
avgStr = format( averagerainfall, ".2f" )
print("Number of months: {0}\tTotal inches: {1}\tAverage rainfall: {2}".format(monthStr, inchStr, avgStr))
</code></pre>