# 第一週(0214)
+= x += 2 x = x + 2
-= x -= 3 x = x – 3
*= x *= 5 x = x * 5
/= x /= 6 x = x / 6
%= x %= 7 x = x % 7
//= x //= 8 x = x // 8
**= x **= 9 x = x ** 9
== 等於 a == b
!= 不等於a != b
> 大於a > b
< 小於a < b
>= 大於或等於 a >= b
<= 小於或等於 a <= b
And 1 < 2 and 1 > 0兩者都是真的才為真
or 1 > 2 or 1 > 0 其中一方為真便為真
not not( 3 < 5 and 3 < 10)真回傳假，假回傳真