吳敏瑄python字串string內建built-in方法methods

VS Code開發環境w3schools截圖

字串程式碼

a = "ha,吳敏瑄很好"

b = a.replace('好','棒')

print (a)

print (b)

print ('幾個很?', a.count('很'))

print ('很在0,1..位置', a.find('很'))

print ('很在0,1..位置', a.rfind('很'))

print ('a的長度',len(a))

print('英文大寫',a.upper())

print('英文小寫',a.lower())

txt = "Hello, 將第一個字母轉成大寫。"

x = txt.capitalize()

print (x)

print (txt.casefold())

y= txt.center(30)

print (txt.center(30))

print(y)

print(len(y))