###### tags: `Python 教學` # 2022/3/5 Python 教學教材 ## a+b 描述:輸入兩個數,然後輸出相加 輸入: 1 2 輸出: 3 ### 答案 ```python= name = [] #宣告list型態給這個變數 for i in range(100): print(i) 輸出:0~99 ``` ## 輸入N個數字,輸出平均 輸入1: 5 #N的數字 1 2 3 4 5 輸出1: 3 輸入2: 10 #N的數字 1 2 3 4 5 6 7 8 9 10 輸出2: 5.5 ### 答案 ```python= n = int(input()) list = [] for i in range(n): list.append(int(input())) print(sum(list)/n) ``` ## 印出三角形 ``` 書出一個高度為n的三角形 輸入1: 3 輸出1: * *** ***** *** * 輸入2: 4 輸出2: * *** ***** ******* ***** *** * ``` ### 答案 ```python= n = int(input()) for i in range(n): print(' '*(n-i),'*'*(2*i-1)) for i in range(n-1,0,-1): print(' '*(n-i),'*'*(2*i-1)) ```
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