UwU text convertor in Python

# Function to convert into UwU text
def generateUwU(input_text):
    
    # the length of the input text
    length = len(input_text)
    
    # variable declaration for the output text
    output_text = ''
    
    # check the cases for every individual character
    for i in range(length):
        
        # initialize the variables
        current_char = input_text[i]
        previous_char = '&# 092;&# 048;'
        
        # assign the value of previous_char
        if i > 0:
            previous_char = input_text[i - 1]
        
        # change 'L' and 'R' to 'W'
        if current_char == 'L' or current_char == 'R':
            output_text += 'W'
        
        # change 'l' and 'r' to 'w'
        elif current_char == 'l' or current_char == 'r':
            output_text += 'w'
        
        # if the current character is 'o' or 'O'
        # also check the previous character
        elif current_char == 'O' or current_char == 'o':
            if previous_char == 'N' or previous_char == 'n' or previous_char == 'M' or previous_char == 'm':
                output_text += "yo"
            else:
                output_text += current_char
        
        # if no case match, write it as it is
        else:
            output_text += current_char

    return output_text
    
# Driver code 
if __name__=='__main__': 
    input_text1 = "The quick brown fox jumps over the lazy dog."
    input_text2 = "Nooo ! I was not late to work !"
    print(generateUwU(input_text1))
    print(generateUwU(input_text2))