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38 lines
1.2 KiB
HTML
38 lines
1.2 KiB
HTML
<pre>
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DataFrame <code>products</code>
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+-------------+--------+
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| Column Name | Type |
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+-------------+--------+
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| name | object |
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| quantity | int |
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| price | int |
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+-------------+--------+
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</pre>
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<p>Write a solution to fill in the missing value as <code><strong>0</strong></code> in the <code>quantity</code> column.</p>
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<p>The result format is in the following example.</p>
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<p> </p>
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<pre>
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<strong class="example">Example 1:</strong>
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<strong>Input:</strong>+-----------------+----------+-------+
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| name | quantity | price |
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+-----------------+----------+-------+
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| Wristwatch | 32 | 135 |
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| WirelessEarbuds | None | 821 |
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| GolfClubs | None | 9319 |
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| Printer | 849 | 3051 |
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+-----------------+----------+-------+
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<strong>Output:
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</strong>+-----------------+----------+-------+
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| name | quantity | price |
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+-----------------+----------+-------+
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| Wristwatch | 32 | 135 |
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| WirelessEarbuds | 0 | 821 |
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| GolfClubs | 0 | 9319 |
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| Printer | 849 | 3051 |
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+-----------------+----------+-------+
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<strong>Explanation:</strong>
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The quantity for Toaster and Headphones are filled by 0.</pre>
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