崔甯甯Python 字串String 內建built-in 方法Methods

w3school學習截圖

w3school學習程式碼

z = "崔甯甯很快樂"

b = z.replace("快樂","happy")

print (z)

print (b)

print ("幾個很?", z.count("很"))

print ("很在0,1..位置", z.find("很"))

print ("很在0,1..位置", z.rfind("很"))

print ("z的長度", len(z))

txt = "hello,將第一個字母轉成大寫"

x = txt.capitalize()

print (x)

print (txt.casefold())

y = txt.center(20)

print (y)

print (len(y))