發表文章

目前顯示的是 3月, 2024的文章

余金恆python自訂函數迴圈範圍range寫入模式a,x,w,r

圖片
上面的程式碼 <style>   h1{background-color: purple; color: white; border: 10px solid red; text-align:center; padding: 5px}      ul{background-color: green; color: white; font-size: 2em;line-height:1.5} </style> VS CODE截圖 程式碼 space, slash, backslash, cr = ' ', '/', '\\', '\n' def row1(k,m):#定義自訂函數 for i in range(1, k+1): 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) def row2(r,m): 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) ...

余金恆python寫入write迴圈範圍range

圖片
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('余金恆讀取檔案' + 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

余金恆檔案處理

圖片
  f = open("ascii.txt", "r",encoding='utf8') print(f.read()) f.close() x = "劉任昌" 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) f.write('余金恆') line = f.read() #讀取檔案f成為字串 print('檔案字串長度',len(line)) print("檔案內容",line) f.close()

余金恆python內建built-in函數functions迴圈loop

圖片
  上面style指令要在html模式貼在最上面 <style>h1{text-align:center; background-color:blue; color: white;  border: solid medium blue; padding 10px;border: 10px green; border-radius:10px; padding:10px;}   </style>  截圖 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("劉任昌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)) w3schools內建函數列表 Python has a set of built-in functions. Function De...

余金恆python內建built-in函數function迴圈loop範圍range

圖片
  程式碼 print("練習函數bin, hex, integer") print("4轉二進位",bin(4)) print("7轉二進位",bin(7)) print(4+2+1) print("20轉成16進位",hex(20)) print("FF轉成10進位",int("FF",16)) print("練習函數abs, all, any, ascii") for i in range(-2,3): x = abs(i) print(abs(x)) print("all邏輯,是否全部是真?") x, y, z = 1==1, 2>1, 3>2 #=給值,==判斷 print(all([x,y,z])) print("2>1,-1==1,-2>3有正確的嗎",any([2>1, -1==1, -2>3])) print("2>1,-1==1,-2>3全正確嗎",all([2>1, -1==1, -2>3])) #pthon註解range(開始,結束) print("列印,迴圈for, range範圍") for i in range(33301, 33344): print("字碼character", i,"是",chr(i)) for i in range(65, 70): print(chr(i)) w3schools內建函數列表 https://www.w3schools.com/python/python_ref_functions.asp 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 Tru...