csvgen.py

#This file generates a CSV file with integer values, 
# Use cases: you can use it for eg. input for testing your sroting algorithms and other program inputs when you need to test with large data.

import random as rd; 

minNum = 0;
maxNum = 1000; #maximum number in array
lengthOfItems= 500; #this will generate 500 random numbers. 

file = open("newFile.csv", "a") # creates a new file named newFile.csv - feel free to edit file name

for i in range(lengthOfItems):
    file.write(str(str(rd.randint(minNum,maxNum)) + ","))

file.close()
#note - you will have to split first line at "," and convert to int 