<p>所以我想用一个函数把一个随机变量变成一个字符串,你知道为什么这不起作用吗?你知道吗</p>
<pre><code>def letter(x):
if x == 1:
x = "A"
elif x == 2:
x = "C"
elif x == 3:
x = "G"
elif x == 4:
x = "T"
else:
print "Error"
randint18= random.randrange(1,5)
letter(randint18)
print randint18 `
</code></pre>