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目前顯示的是 3月, 2024的文章

沈甄軒Python自訂函數迴圈range寫入模式a,x,w,r

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期中考複習拷貝撰寫模式 write寫入檔案模式mode w=write會覆蓋原有檔案, a=append接續原來檔案, x=create創立新檔案, x與w有何不同? write寫入檔案,預設不換行,換行'\n' print呈現在螢幕,預設換行,不換行end=''。 write寫入用到英文以外的字元(一,a,b)encoding='utf8' 期中考複習拷貝文字模式在自己排版 VS code截圖

沈甄軒python寫入write迴圈範圍range

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VS code開發環境截圖 程式碼 space, slash, backslash, cr = ' ', '/', '\\', '\n' k = input('邊長: ') #輸入字串 m = input('橫向: ') k, m = int(k), int(m) f = open("難嗎.txt",'w',encoding='utf8') f.write('沈甄軒讀取檔案' + cr)#註解\n換列 for i in range(9): f.write(str(i)) f.write(cr) for i in range(1, k+1): #迴圈1到k for ii in range(m): for j in range(k-i): f.write(space) f.write(slash) for j in range(2*i-2): f.write(space) f.write(backslash) for j in range(k-i): f.write(space) f.write(cr) for i in range(1, k+1): for ii in range(m): for j in range(i-1): f.write(space) f.write(backslash) for j in range(2*k-2*i): f.write(space) f.write(slash) for j in range(i-1): f.write(space) f.write(cr) f.close() 385影片

沈甄軒python檔案方法utf8

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f = open("ascii.txt", "r",encoding='utf8') print(f.read()) f.close() x = "沈甄軒" f = open("ascii.txt", "r+",encoding='utf8') y = f.write(x) print(y) f.close() f = open("ascii.txt", "r+",encoding='utf8') #a代表附加append print("名稱",f.name) print("模式",f.mode) print("關閉",f.closed) line = f.read() #讀取檔案f成為字串 f.write('沈甄軒') print('檔案字串長度',len(line)) print("檔案內容",line) f.close()

沈甄軒python內建built-in函數functions迴圈loop

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程式碼 print(int(10)) print(int("ff",16)) print(int('100',16)) print(int('100',8)) a = [0>1, 2>1, 3==3]#串列list使用square bracket中括號 print("是否all全真",all(a)) print("存在任何any一個真",any(a)) print("沈甄軒bin二進位輸出一到9") for i in range(10): #0 to 9進位1 print(bin(i)) for i in range(0, 200, 10): print(hex(i)) a = ('蘋果', '香蕉', '櫻桃',"durian") b = "Hello World" c = 33 d ={'蘋果', '香蕉', '櫻桃',"durian"} e=['蘋果', '香蕉', '櫻桃',"durian"] print("a元組typle", type(a)) print("b字串", type(b)) print("c整數integer", type(c)) print(type(d), type(e)) w3school vs code截圖 w3school內建函數列表 Python has a set of built-in functions. Function Description abs() Returns the absolute value of a number all() Returns True if all items in an iterable object are true any() Returns True if any item in an iterable object is true a...