How To Append Data To An Existing Line In A Specific Character Position In A Different Python File

Example Code:

print('Hello World!)

Is There A Way To Edit This Line To print('Hello People!') In A Different Python File Without Having To Re-Write The Entire Sentence? (I'm Sorry I Know This Is A Badly Worded Question)

source https://stackoverflow.com/questions/72192493/how-to-append-data-to-an-existing-line-in-a-specific-character-position-in-a-dif