python endswith
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str.endswith(suffix[, start[, end]])
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```python
!/usr/bin/python
str = "this is string example....wow!!!"
suffix = "wow!!!"
print(str.endswith(suffix)) Êä³ö True
print(str.endswith(suffix, 20)) Êä³ö True£¬´***÷ÒýλÖÃ20¿ªÊ¼²éÕÒÊÇ·ñÒÔÖ¸¶¨ºó׺½áβ
suffix = "is"
print(str.endswith(suffix, 2, 4)) Êä³ö True£¬´***÷ÒýλÖÃ2¿ªÊ¼µ½Ë÷ÒýλÖÃ4Ö®¼äµÄ×Ö·û´®ÊÇ·ñÒÔÖ¸¶¨ºó׺½áβ
print(str.endswith(suffix, 2, 6)) Êä³ö False£¬´***÷ÒýλÖÃ2¿ªÊ¼µ½Ë÷ÒýλÖÃ6Ö®¼äµÄ×Ö·û´®²»ÒÔÖ¸¶¨ºó׺½áβ
```
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