accumulate1.py

from itertools import accumulate
from operator import mul

iterable = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]

print(list(accumulate(iterable)))

# Prints the addition after each iteration
# OUTPUT
"""
[1, 3, 6, 10, 15, 21, 28, 36, 45, 55]
"""

print(list(accumulate(iterable, mul)))
# Prints the mutiplication after each iteration (= factorial of the number)
"""
[1, 2, 6, 24, 120, 720, 5040, 40320, 362880, 3628800]
"""