```
for x in range(0,10,2):
print(x)
```
```
for x in range(10,0,-2):
print(x)
```
```
a=[1,2,3,4,5,6,7,8]
b=a[0:len(a):2];
print(b)
```
```
10
8
6
4
2
[1, 3, 5, 7]
```
```
__init__.py
```
