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    <title>topic Cannot assign a value with python in power query in Developer</title>
    <link>https://community.fabric.microsoft.com/t5/Developer/Cannot-assign-a-value-with-python-in-power-query/m-p/3071457#M53635</link>
    <description>&lt;P&gt;Hello guys,&amp;nbsp;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;I am working on a table in power query. As well, I am using python script from the transform tab. The problem I have occurs when I want to assign a value to a specific column and row in the dataset.&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;Here is an example:&lt;/P&gt;&lt;TABLE border="1"&gt;&lt;TBODY&gt;&lt;TR&gt;&lt;TD&gt;name&lt;/TD&gt;&lt;TD&gt;day&lt;/TD&gt;&lt;/TR&gt;&lt;TR&gt;&lt;TD&gt;max&lt;/TD&gt;&lt;TD&gt;1&lt;/TD&gt;&lt;/TR&gt;&lt;TR&gt;&lt;TD&gt;alfred&lt;/TD&gt;&lt;TD&gt;2&lt;/TD&gt;&lt;/TR&gt;&lt;/TBODY&gt;&lt;/TABLE&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;If I want to change the values of the "day" column, I do this:&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;LI-CODE lang="python"&gt;dataset.iloc[0]["day"] = 0
dataset.iloc[1]["day"] = 0&lt;/LI-CODE&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;When Power Query execute the python script, the table didn't change.&lt;/P&gt;&lt;P&gt;Any help?&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;Thank you!!&lt;/P&gt;</description>
    <pubDate>Thu, 09 Feb 2023 09:41:31 GMT</pubDate>
    <dc:creator>Anonymous</dc:creator>
    <dc:date>2023-02-09T09:41:31Z</dc:date>
    <item>
      <title>Cannot assign a value with python in power query</title>
      <link>https://community.fabric.microsoft.com/t5/Developer/Cannot-assign-a-value-with-python-in-power-query/m-p/3071457#M53635</link>
      <description>&lt;P&gt;Hello guys,&amp;nbsp;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;I am working on a table in power query. As well, I am using python script from the transform tab. The problem I have occurs when I want to assign a value to a specific column and row in the dataset.&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;Here is an example:&lt;/P&gt;&lt;TABLE border="1"&gt;&lt;TBODY&gt;&lt;TR&gt;&lt;TD&gt;name&lt;/TD&gt;&lt;TD&gt;day&lt;/TD&gt;&lt;/TR&gt;&lt;TR&gt;&lt;TD&gt;max&lt;/TD&gt;&lt;TD&gt;1&lt;/TD&gt;&lt;/TR&gt;&lt;TR&gt;&lt;TD&gt;alfred&lt;/TD&gt;&lt;TD&gt;2&lt;/TD&gt;&lt;/TR&gt;&lt;/TBODY&gt;&lt;/TABLE&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;If I want to change the values of the "day" column, I do this:&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;LI-CODE lang="python"&gt;dataset.iloc[0]["day"] = 0
dataset.iloc[1]["day"] = 0&lt;/LI-CODE&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;When Power Query execute the python script, the table didn't change.&lt;/P&gt;&lt;P&gt;Any help?&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;Thank you!!&lt;/P&gt;</description>
      <pubDate>Thu, 09 Feb 2023 09:41:31 GMT</pubDate>
      <guid>https://community.fabric.microsoft.com/t5/Developer/Cannot-assign-a-value-with-python-in-power-query/m-p/3071457#M53635</guid>
      <dc:creator>Anonymous</dc:creator>
      <dc:date>2023-02-09T09:41:31Z</dc:date>
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