问题遇到的现象和发生背景
```python
x=[12,3,12,3,234,35,46,546,3,576,3,546,56,7,45,7,354,62,]
jishu=0
j=[]
oushu=0
o=[]
i=0
while i<len(x):
a=x.pop()
if a%2==0:
oushu+=1
o.append(a)
else:
jishu+=1
j.append(a)
i+=1
print(jishu)
print(oushu)
print(o)
print(j)