Pick random winners from .csv

[Larz60+]

Use a random number as the record (line) to select (as suggested by deanhystad), and only return that record (line).

• from random import random
  
• Run once: Get number of lines in input file: linecount = sum(1 for line in open(file))
  
• Create random number between 1 and linecount: line_to_read = random.randint(1, linecount)
  
• Read until record == line_to_read.
  
• --- or ---
  
• Read entire file record by record into a list
  
• Use random number to select record
  
• --- or ---
  
• create list of file positions by reading file line by line and using f.tell
  
• choose item from list using random number
  
• Use f.seek to fetch selected record from the file.
  

Or something similar