Need help to control LCD screen with Raspberry and Python -

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i have lcd connected raspberry , controled python code

i'd write word (like typewriting), letter after letter

i've tried different possibility no success. , i'm stucked. need help

here code control writing on lcd :

# send centred test   lcd_byte(lcd_line_1, lcd_cmd)   lcd_string("sentence one",2)    lcd_byte(lcd_line_2, lcd_cmd)   lcd_string("sentence two",2)   lcd_byte(lcd_line_3, lcd_cmd)   lcd_string("sentence three",2)   lcd_byte(lcd_line_4, lcd_cmd)   lcd_string("sentence four",2)

not tested , guess should started

import time  def typewriter_like(sentence, lcd_line, delay=1):     i,letter in enumerate(sentence):         lcd_byte(lcd_line, lcd_cmd)         lcd_string(sentence[:i+1], 2)         time.sleep(delay)   # use typewriter_like("sentence one", lcd_line_1)

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