擅长:python、mysql、java
<p>使用<code>.append</code>函数添加到列表的末尾。在</p>
<pre><code>def makeNewList(firstLetter):
letterList=["A","B","C"]
newList=[]
# get index of argument (firstLetter)
for i in [i for i,x in enumerate(letterList) if x==firstLetter]:
index=i
# fill newList from cycling through letterList starting at index position
for j in range(10):
if index==3:
index=0
newList.append( letterList[index] )
index=index+1
return newList
print(makeNewList("B"))
</code></pre>