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                # 4.Print()函數 用print()在括號中加上字符串,就可以向屏幕上輸出指定的文字。比如輸出`'hello, world'`,用代碼實現如下: ``` >>> print('hello, world') ``` print()函數也可以接受多個字符串,用逗號“,”隔開,就可以連成一串輸出: ``` >>> print('編程貓', '遇上', '阿短','跳起來了') ``` print()會依次打印每個字符串,遇到逗號“,”會輸出一個空格,因此,輸出的字符串是這樣拼起來的 print()也可以打印整數,或者計算結果: ``` >>> print(300) 300 >>> print(100 + 200) 300 ``` 因此,我們可以把計算100 + 200的結果打印得更美觀一點: ``` >>> print('100 + 200 =', 100 + 200) 100 + 200 = 300 ```` 注意,對于`100 + 200`,`Python`解釋器自動計算出結果300,但是,`'100 + 200 ='`是字符串而非數學公式,Python把它視為字符串,請自行解釋上述打印結果。
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