r Open text file for reading. The stream is positioned at the beginning of the file.
r+ Open for reading and writing. The stream is positioned at the beginning of the file.
w Truncate file to zero length or create text file for writing. The stream is positioned at the beginning of the file.
w+ Open for reading and writing. The file is created if it does not exist, otherwise it is truncated. The stream is posi
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连山|
达尔|
大洼县|
枣阳市|
正蓝旗|
南陵县|
朝阳县|
屏南县|
壤塘县|
新竹县|
集贤县|
呼玛县|
平利县|
翁牛特旗|
砀山县|
临江市|
克什克腾旗|
额济纳旗|
中卫市|
双峰县|
陈巴尔虎旗|
裕民县|
沂水县|
灌云县|
陆川县|
绥江县|
翁牛特旗|
翼城县|
库尔勒市|
香港
|
故城县|
西丰县|
理塘县|
安溪县|
通州市|
阳西县|
金山区|
阿鲁科尔沁旗|
晋州市|
汝城县|
观塘区|
