html_css_javascript_java_python

f = open("ascii.txt", "r",encoding='utf8') print(f.read()) f.close() x = "陳俞均" f = open("ascii.txt", "r+",encoding='utf8') y = f.write(x) print(y) f.close() print(i) 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('陳俞均') 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() 影片379 影片380

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("陳俞均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 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 ascii() Returns a readabl...

單元371影片 vs code與w3schools截圖 程式碼 txt = "陳俞均Love芒果,芒果我my favoritE水果芒果" print(txt.count("芒果")) print('先練習內建函數len',len(txt)) print('find',txt.find("芒果")) print('rfind',txt.rfind("芒果")) print("print列印,字串string字元character的組合") print(txt.title()) print(txt.lower()) print(txt.upper()) print(txt.swapcase()) print(txt.zfill(32)) print(txt.startswith("陳")) print(len(txt)) for i in range(33333, 33344): print(chr(i)) for i in range(65, 70): print(chr(i)) w3schools字串方法列表 Method Description capitalize() Converts the first character to upper case casefold() Converts string into lower case center() Returns a centered string count() Returns the number of times a specified value occurs in a string encode() Returns an encoded version of the string endswith() Returns true if the string ends with the specified value expandtabs() Sets the tab size of the string find() Searches the string for a specified value a...