S = "  \t \n  "
S.isalpha() + S.isspace() + S.isdigit() + S.isprintable()

from math import log
f = lambda acc, x: x * acc
gen = (abs(log(i / 10)) for i in range(1, 1000))
print(int(reduce(f, gen, 1)))

-True % 13 + True % 13

"I have 10 cars".isalnum()

"hello".zfill(10)

import numpy as np
A = np.random.randint(1, 100, size=(5, 5))
B = A.copy()
B[:, [0, -1]] = B[:, [-1, 0]]
d = lambda x: round(np.linalg.det(x))
print(d(A) + d(B))

"hello" * 0 is '' * 10

True + ~False