回答編集履歴
1
追記
test
CHANGED
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@@ -7,3 +7,43 @@
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それだけの修正だと期待通りの動作にはならないと思いますが。
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#追記
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15
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おそらく、こういうことがやりたいのでしょう。
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```Python
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file_name = "Parts_Inventory3.txt"
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with open(file_name) as f:
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data = f.read()
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SID = input("enter partID:")
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for data_line in data.splitlines():
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if data_line.find(SID) >= 0:
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print(data_line)
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new = input ("enter new quantity:")
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data = data.replace(data_line, SID +" : "+ new)
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with open(file_name ,"w") as f:
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f.write(data)
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```
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