﻿ Python: Extend a list without append - w3resource

# Python: Extend a list without append

## Python List: Exercise - 68 with Solution

Write a Python program to extend a list without appending.

Sample Solution:-

Python Code:

``````x = [10, 20, 30]
y = [40, 50, 60]
x[:0] =y
print(x)
```
```

Sample Output:

```[40, 50, 60, 10, 20, 30]
```

Pictorial Presentation: Flowchart: ## Visualize Python code execution:

The following tool visualize what the computer is doing step-by-step as it executes the said program:

Python Code Editor:

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## Python: Tips of the Day

Returns True if the provided function returns True for every element in the list, False otherwise:

Example:

```def tips_every(lst, fn=lambda x: x):
return all(map(fn, lst))

print(tips_every([2, 4, 3], lambda x: x > 1))
print(tips_every([1, 2, 3]))
```

Output:

```True
True
```