how to write method/function named movel( s, k) that moves all the elements of the 's' array to the left by 'k' positions (not rotate)?

Question

this is my code below and please help me find out the the expected output[ 4,5,6,0,0,0]

def movel(s, k):
  n=len(s)
  j=0
  n_arr=s[:k]
  return (s[k::]+n_arr[::])
  for j in range(0, n):
    print(s[j], end=' ')


s=[1,2,3,4,5,6]
k=3 
movel(s,k)

*Output : [4,5,6,1,2,3] *

Asked By: Sushmita

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Source

Answer 1

You could do use index slicing

def movel(s, k):
    if k > len(s):
        return [0] * len(s) # you decide how to handle this case
    return s[k:] + [0] * (len(s) - k)

Think of it this way, we change the head of the list and fill the rest with zeros.

Answered By: monk

how to write method/function named movel( s, k) that moves all the elements of the 's' array to the left by 'k' positions (not rotate)?

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