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

Sample Output:

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

Pictorial Presentation:

Python List: Extend a list without append.


Flowchart: Extend a list without append

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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:


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]))