| 函數 | 描述 | | ------------------------------------------------------------ | --------------------------------------------------- | | int(x [,base\])[](http://www.runoob.com/python3/python-func-int.html) | 將x轉換為一個整數 | | [float(x)](http://www.runoob.com/python3/python-func-float.html) | 將x轉換到一個浮點數 | | complex(real [,imag])| 創建一個復數 | | [str(x)](http://www.runoob.com/python3/python-func-str.html) | 將對象 x 轉換為字符串 | | [repr(x)](http://www.runoob.com/python3/python-func-repr.html) | 將對象 x 轉換為表達式字符串 | | [eval(str)](http://www.runoob.com/python3/python-func-eval.html) | 用來計算在字符串中的有效Python表達式,并返回一個對象 | | [tuple(s)](http://www.runoob.com/python3/python3-func-tuple.html) | 將序列 s 轉換為一個元組 | | [list(s)](http://www.runoob.com/python3/python3-att-list-list.html) | 將序列 s 轉換為一個列表 | | [set(s)](http://www.runoob.com/python3/python-func-set.html) | 轉換為可變集合 | | [dict(d)](http://www.runoob.com/python3/python-func-dict.html) | 創建一個字典。d 必須是一個序列 (key,value)元組。 | | [frozenset(s)](http://www.runoob.com/python3/python-func-frozenset.html) | 轉換為不可變集合 | | [chr(x)](http://www.runoob.com/python3/python-func-chr.html) | 將一個整數轉換為一個字符 | | [ord(x)](http://www.runoob.com/python3/python-func-ord.html) | 將一個字符轉換為它的整數值 | | [hex(x)](http://www.runoob.com/python3/python-func-hex.html) | 將一個整數轉換為一個十六進制字符串 | | [oct(x)](http://www.runoob.com/python3/python-func-oct.html) | 將一個整數轉換為一個八進制字符串 |