回答編集履歴
4
テキスト修正
test
CHANGED
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@@ -47,3 +47,45 @@
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参考になれば幸いです。
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## 追記
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正規表現を使わず、forループで目的の文字列を得るコードを追記します。
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```python
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def f(text):
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output = ''
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buff = []
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for i in range(len(text)+1):
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ch = text[i] if i < len(text) else None
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if len(buff) > 0 and buff[0] != ch:
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output += f'{buff[0]}{len(buff)}'
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buff.clear()
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buff.append(ch)
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return output
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```
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- **動作確認用Repl.it:** [repl.it/@jun68ykt/Q295152-2](https://repl.it/@jun68ykt/Q295152-2)
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3
テキスト修正
test
CHANGED
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@@ -26,7 +26,7 @@
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print(f('jjffir')) # => 'j2f2i1r1'
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print(f('kkkkrrYcccccbbXXpppppppppZZ')) # => 'k4r2
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print(f('kkkkrrYcccccbbXXpppppppppZZ')) # => 'k4r2Y1c5b2X2p9Z2'
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print(f('u')) # => 'u1'
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2
テキスト修正
test
CHANGED
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@@ -26,13 +26,17 @@
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print(f('jjffir')) # => 'j2f2i1r1'
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print(f('kkkkrrYcccccbbXXpppppppppZZ')) # => 'k4r2
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print(f('kkkkrrYcccccbbXXpppppppppZZ')) # => 'k4r2y1c5b2X2p9z2'
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print(f('u')) # => 'u1'
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print(f('xxxxxxxxxxxxxxx')) # => 'x15'
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print(f('abcd')) # => 'a1b1c1d1'
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print(f('')) # => ''
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```
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1
テキスト修正
test
CHANGED
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@@ -26,7 +26,7 @@
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print(f('jjffir')) # => 'j2f2i1r1'
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print(f('kkkkrrYcccccbbXXpppppppppZZ')) # => 'k4r2
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print(f('kkkkrrYcccccbbXXpppppppppZZ')) # => 'k4r2Y1c5b2X2p9Z2'
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print(f('u')) # => 'u1'
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