The f means Formatted string literals and it's new in Python 3.6 . A formatted string literal or f-string is a string literal that is ... ... <看更多>

printf -style String Formatting 類似C 語言的 printf() 使用 % 的符號作為字串插入位置，例如：. >>> print("Hi there, I am %s and I'm from %s! ... <看更多>

There are four major ways to format strings in Python. ... is borrowed from early days of C-language programming and its printf() library function. ... <看更多>

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string = "world" print(f"Hello {string}!"). Expected output should be: Hello world! ... <看更多>