# +	加法
a = 10
b = 2
$console.assertTrue(a + b == 12, "a + b == 12")
# -	减法
$console.assertTrue(a - b == 8, "a - b == 8")
# *	乘法
$console.assertTrue(a * b == 20, "a * b == 20")
# /	除法
$console.assertTrue(a / b == 5, "a / b == 5")
# %	取模
$console.assertTrue(a % b == 0, "a % b == 0")
# **	幂运算
$console.assertTrue(a ** b == 100, "a ** b == 100")
# ==	相等
$console.assertFalse(a == b, "a == b")
# !=	不等
$console.assertTrue(a != b, "a != b")
# <	小于
$console.assertFalse(a < b, "a < b")
# <=	小于等于
$console.assertFalse(a <= b, "a <= b")
# >	大于
$console.assertTrue(a > b, "a > b")
# >=	大于等于
$console.assertTrue(a >= b, "a >= b")
c = true
d = false
# &&   逻辑与
$console.assertFalse(c && d, "c && d")
# ||   逻辑或
$console.assertTrue(c || d, "c || d")
# !    逻辑非
$console.assertFalse(!c, "!c")
$console.assertTrue(!d, "!d")