reverse-string-by-words

def reverse_string_by_words(input_string): words = [] word = '' reversed_string = ''

# Iterate through the string character by character
for char in input_string:
    # If the character is not a space, add it to the word
    if char != ' ':
        word += char
    else:
        # If a space is encountered, add the word to the list of words
        words.append(word)
        word = ''

# Add the last word to the list of words
words.append(word)

# Construct the reversed string by joining words in reverse order
for i in range(len(words) - 1, -1, -1):
    reversed_string += words[i]
    if i != 0:
        reversed_string += ' '

return reversed_string

Example string

input_string = "I want to reverse this string based on words"

Reverse the string based on words

reversed_words_string = reverse_string_by_words(input_string) print(reversed_words_string)