[問題] 請教下列語法那裡出錯?
radius = float (input ("請輸入圓的半徑:"))
pi=3.1415926
area=pi*radius*radius
print ("圓面積為 : %f" %area)
上述語法是我從「讓孩子快樂學程式」摘錄出來,不過執行結果是出現「請輸入圓半徑」
,待我鍵入數字後,卻沒出現圓面積的值。
請問語法那裡出錯嗎?謝謝。
註:我要跟學校同仁介紹scratch,我想在簡報上展示上述語法來闡述一般程式語法與
scratch的差別,突顯scratch降低寫程式的難度。
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