1.0b代表二進制,0o代表八進制,0x代表十六進制;二進制轉(zhuǎn)換bin(),八進制轉(zhuǎn)換oct(),十進制轉(zhuǎn)換int(),十六進制轉(zhuǎn)換hex().
2.字符串前面加r代表原始字符串,例如r“C:/windows”;
字符串截?。骸癶ello world”[0:5]? --> "hello" , "hello world"[2:] --> "llo world",?
"hello world"[-5:] --> "world"
1.0b代表二進制,0o代表八進制,0x代表十六進制;二進制轉(zhuǎn)換bin(),八進制轉(zhuǎn)換oct(),十進制轉(zhuǎn)換int(),十六進制轉(zhuǎn)換hex().
2.字符串前面加r代表原始字符串,例如r“C:/windows”;
字符串截?。骸癶ello world”[0:5]? --> "hello" , "hello world"[2:] --> "llo world",?
"hello world"[-5:] --> "world"