sample.py

import random
total_test_cases = 10**2
current = 0
previous = -1
test_cases = [""]*total_test_cases
for i in range(total_test_cases):
    current += random.randint(0, current//2)
    if current == previous:
        current += 1
    previous = current
    test_cases[i] = str(current)

print(",".join(test_cases))