﻿ Python: Create a list by concatenating a given list which range goes from 1 to n - w3resource # Python: Create a list by concatenating a given list which range goes from 1 to n

## Python List: Exercise - 35 with Solution

Write a Python program to create a list by concatenating a given list which range goes from 1 to n. Sample Solution:-

Python Code:

``````my_list = ['p', 'q']
n = 4
new_list = ['{}{}'.format(x, y) for y in range(1, n+1) for x in my_list]
print(new_list)
```
```

Sample Output:

```['p1', 'q1', 'p2', 'q2', 'p3', 'q3', 'p4', 'q4']
```

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## Python: Tips of the Day

Merges two or more lists into a list of lists, combining elements from each of the input lists based on their positions

Example:

```def tips_merge(*args, fill_value=None):
max_length = max([len(lst) for lst in args])
result = []
for i in range(max_length):
result.append([
args[k][i] if i < len(args[k])
else fill_value for k in range(len(args))
])
return result
print(tips_merge(['x', 'y'], [1, 2], [True, False]))
print(tips_merge(['x'], [1, 2], [True, False]))
print(tips_merge(['x'], [1, 2], [True, False], fill_value = '_'))
```

Output:

```[['x', 1, True], ['y', 2, False]]
[['x', 1, True], [None, 2, False]]
[['x', 1, True], ['_', 2, False]]
```