function_tips.py

from timeit import timeit
from collections import deque
import string

def for_gen():
    for i in range(100000):
        yield i
def while_gen():
    i = 0
    while i < 1000000:
        yield i
        i += 1

t = timeit("deque(for_gen(), maxlen=1)", "from __main__ import for_gen, deque", number=100)
print("for_gen time: {} seconds".format(t))
t = timeit("deque(while_gen(), maxlen=1)", "from __main__ import while_gen, deque", number=100)
print("while_gen time: {} seconds".format(t))

def static(n):
    alphabet = string.ascii_lowercase
    return alphabet[n%25]
def kw_static(n, alphabet=string.ascii_lowercase):
    return alphabet[n%25]


t = timeit("for i in range(1000000): d.append(static(i))", "from __main__ import static, deque, string; d = deque(maxlen=1)", number=100)
print("static time: {} seconds".format(t))
t = timeit("for i in range(1000000): d.append(kw_static(i))", "from __main__ import kw_static, deque, string; d = deque(maxlen=1)", number=100)
print("kw_static time: {} seconds".format(t))