from math import log, log10, log2, sin, cos, tan, e, pi, isclose

assert isclose(e, 2.718281828459045)
assert isclose(pi, 3.141592653589793)
assert isclose(log(10), 2.302585092994046)
assert isclose(log10(10), 1.0)
assert isclose(log2(10), 3.321928094887362)
assert isclose(sin(0), 0.0)
assert isclose(cos(0), 1.0)
assert isclose(tan(0), 0.0)