<p>我试图用if语句检查元组中是否有某个数字,但发现很难。这里怎么了?在</p>
<pre><code>def racaman(x):
y = x
w = (0,)
for i in range(y):
k = w[i]-x[i]
if k == i in w:
w = w + ((w[i]+x[i]),)
else:
w = w + ((w[i]-x[i]),)
</code></pre>
<p>您可以在if条件中替换3来查找特定的数字</p>
<pre><code>def raceman(x):
#assuming x is tuple
if 3 in x:
print("found")
else:
print("not found")
raceman((1,2,3,4))
</code></pre>