title: How to convert sentence into array of strings (list) in python without using split or any fancy function
body: <p>I would like to convert the sentence into array of strings</p>
  
  <p>Input : I am xyz</p>
  
  <p>Output : ["I","am","xyz"]</p>
  
  <p>So, could you please let me know where am I making logical mistake?
  Below is the code written in which I am accepting Input_Sentence from user</p>
  
  <pre><code>start =0
  i=0
  return_array = []
  for i in (0, len(Input_Sentence)):
     if " " == Input_Sentence[i:i+1]:
         return_array.append(Input_Sentence[start:i+1])
         start = i + 1
     i += 1
  return_array.append(Input_Sentence[start:i+1])
  return_array.append(Input_Sentence)
  </code></pre>