# 程式設計(第24組) 14/02/2022 組長:黃凱葶 110251039 管院學士班學士班1年級 組員:林世鎧 110211052 經濟系學士班1年級 組員:周芃君 110211008 經濟系學士班1年級 組員:蘇家陞 110211033 經濟系學士班1年級 --- ## `基本概念` >print() :加了挂號成爲函數 >():挂號帶進去的叫參數 >x=9:=是指定的意思 >x=9:把9指定給x的變數 >ctrl + m + b (+程式碼的快捷鍵) --- ## `基礎練習` #### `Python Arithmetic Operators` | Operator | Name | Example | | -------- | ------------- | ------- | | + | Addition(加) | x + y | | - | Subtraction(減) | x - y | | * | Multiplication(乘) | x * y | | / | Division(除) | x / y | | % | Modulus(餘數) | x % y | | ** | Exponentiation(模冪)| x ** y | | // | Floor division(商數)| x //y | 1.x+y x=2 y=3 print(x+y) 5 2.x-y x=3 y=2 print(x-y) 1 3.x*y x=1 y=2 print(x*y) 2 4.x/y x=4 y=2 print(x/y) 2 5.x%y(% Modulus餘數) x=5 y=2 print(x%y) 1 5.x**y(**Exponentiation模冪) x=2 y=5 print(x**y) 32 6.x//y(//Floor division商數) x=5 y=2 print(x//y) 2 --- #### `Python Assignment Operators` | Operator | Example | Same as | | -------- | ------- | ------- | | = | x = 5 | x = 5 | | += | x += 3 | x = x + 3 | | -= | x -= 3 | x = x - 3 | | * = | x -= 3 | x = x * 3 | | /= | x /= 3 | x = x / 3 | | %= | x %= 3 | x = x % 3 | | **= | x **= 3 | x = x ** 3| | //= | x //= 3 | x = x // 3| | &= | x &= 3 | x = x & 3 | | ^= | x ^= 3 | x = x ^ 3 | | >>= | x >>= 3 | x = x >> 3| | <<= | x <<= 3 | x = x << 3| 1.x=5 print(x) 5 2.x=5 x=x+3 print(x) 8 3.x=5 x=x-3 print(x) 2 4.x=5 x=x*3 print(x) 15 5.x=5 x=x/3 print(x) 1.6666666666666667 6.x=5 x=x%3 print(x) 2 7.x=5 x=x//3 print(x) 1 8.x=5 x=x**3 print(x) 125 9.x=5 x=x*3 print(x) 15 --- #### `Python Comparison Operators` | Operator | Column 2 | Column 3 | | -------- | ----------------------- | -------- | | == | Equal | x == y | | != | Not equal | x != y | | > | Greater than | x > y | | < | Less than | x < y | | >= | Greater than or equal to| x >= y | | <= | Less than or equal to | x <= y | 1.= =(Equal) x=5 y=3 print(x==y) False 2.!=(Not Equal) x=5 y=3 print(x!=y) True 3.>(Greater Than) x=5 y=3 print(x>y) True 4.<(Less Than) x=5 y=3 print(x<y) False 5.>=(Greater than or equal to) x=5 y=3 print(x>=y) True 6.<=(Less than or equal to) x=5 y=3 print(x<=y) False --- #### `Python Logical Operators` | Operator| Description| Example| | -------- | -------- | -------- | | and | Returns True if both statements are true| x < 5 and x < 10 | | or | Returns True if one of the statements is true | x < 5 or x < 4 | | not | Reverse the result, returns False if the result is true | not(x < 5 and x < 10) | 1.and(Returns True if both statements are true如果兩個是算式是 對的,那就是true) x=5 print(x>3 and x<10) True 2.or(Returns True if one of the statements is true如果其中一 個算是是對的,那就是true) x=5 print(x>3 or x<10) True - [ ] 原因:returns True because one of the conditions are true (5 is greater than 3, but 5 is not less than 4) 3.not(Reverse the result, returns False if the result is true) x=5 print(not(x>3 and x<10)) False - [ ] 原因:returns False because not is used to reverse the result