bai 3 - 3
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| Language | Python |
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| Snippet Metadata | |
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| Owner | hccc19 |
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| Modified | |
| Visibility | Public |
s = 'thiendiahoi..us.lx.py.thong'
index = s.rfind('.')
if index == -1:
print('nothing to show')
elif s[index:] == '.':
print('nothing to show 2')
else:
print(s[:index])
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| Full width | |
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