Move Zeros to the Left

move_zeros_to_left.py

'''Problem Statement
Given an integer array, move all elements that are 0 to the left while maintaining the order of other elements in the array. 
The array has to be modified in-place.'''

def move_zeros_to_left(A):
  for i, ele in enumerate(A, start=0):
    if(ele == 0):
      A.pop(i)
      A.insert(0, 0)
      
  return A

v = [1, 10, 20, 0, 59, 63, 0, 88, 0]
print("Original Array:", v)

move_zeros_to_left(v)

print("After Moving Zeroes to Left: ", v)

#Original Array
#1, 10, 20, 0, 59, 63, 0, 88, 0, 
#After Moving Zeroes to Left
#0, 0, 0, 1, 10, 20, 59, 63, 88,