Python: Extend a list without append

Last update on January 18 2023 13:20:01 (UTC/GMT +8 hours)

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:

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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Next: Write a Python program to remove duplicates from a list of lists.

What is the difficulty level of this exercise?

Test your Programming skills with w3resource's quiz.

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