李曜宇 HTML_CSS_Javascript_Java_Python

期中考筆試重點 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' 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) f.write('\n') k = input('...

程式碼 space, slash, backslash, cr = ' ', '/', '\\', '\n' k = input("A") m = input("B") k,m = int(k),int(m) f = open("李曜宇.txt",'w',encoding="utf8") 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) 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()

f = open("ascii.txt", "r") #註解開啟open檔案ascii.txt讀取模式r開啟之後要關閉 x = f.read() f.close() print("檔案長度", len(x)) print(x) f = open("ascii.txt", "r") v = f.readlines() #輸出成串列,長度是列數 print("串列v的長度",len(v)) for i in range (len(v)): print("第",i+1,"列",v[i])

程式碼 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)) w3chool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 True if any item in an iterable object is true ascii() Returns a readable version of an object. Replaces none-ascii characters with escape character bin() Returns the binary version of a number bool() Ret...