## Revese the elements in list python

### Description

```Python Program to get list size n and n elements of list, then reverse the n elements.
Input:
5
5 7 9 3 1
Output:
1 3 9 7 5```

### Solution

```l=list(map(int,input("Enter Numbers:").split()))
start=0
stop=len(l)-1
while(start<stop):
l[start],l[stop]=l[stop],l[start]
start+=1
stop-=1
print(l)

```

### Explanation

```initialize start to first location of list and stop to last location of list using
start=0
stop=len(l)-1

swap the elements in location start and stop, then increment start by 1 and decrement stop by 1.
l[start],l[stop]=l[stop],l[start]

repeat the above step till start is less than stop```

### Interesting Pattern Programs: for more Patterns

```Input:
5
Output:
*
**
***
****
*****
****
***
**
*Solution```
```Input:
5
Output:
*
***
*****
*******
*********
*******
*****
***
*Solution```
```Input:
5
Output:
*        *
**      **
***    ***
****  ****
**********Solution```
```Input:
5
Output:
*       *
**     **
***   ***
**** ****
*********Solution```
```Input:
5
Output:
*       *
**     **
***   ***
**** ****
*********
**** ****
***   ***
**     **
*       *Solution```
```Input:
5
Output:
*********
*******
*****
***
*
***
*****
*******
*********Solution```