Database System Concepts
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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**Select the most appropriate replacement field definitions.**

```python
price = 4
num = 5
total = num * price
print('{1} tacos at ${3} each costs ${0}'.format(total, price, num))
```

The correct output is: 

```
5 tacos at $4 each costs $20.
```

**Explanation:**

In the code above, the `print` statement uses the `.format()` method to replace placeholders in the string with values of variables. Here’s the breakdown of the replacement field definitions:

- `{1}` corresponds to the variable `num`, which equals 5.
- `{3}` corresponds to the variable `price`, which equals 4.
- `{0}` corresponds to the variable `total`, which equals 20.

The formatted string successfully interpolates the values, producing the sentence: "5 tacos at $4 each costs $20."
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Transcribed Image Text:**Select the most appropriate replacement field definitions.** ```python price = 4 num = 5 total = num * price print('{1} tacos at ${3} each costs ${0}'.format(total, price, num)) ``` The correct output is: ``` 5 tacos at $4 each costs $20. ``` **Explanation:** In the code above, the `print` statement uses the `.format()` method to replace placeholders in the string with values of variables. Here’s the breakdown of the replacement field definitions: - `{1}` corresponds to the variable `num`, which equals 5. - `{3}` corresponds to the variable `price`, which equals 4. - `{0}` corresponds to the variable `total`, which equals 20. The formatted string successfully interpolates the values, producing the sentence: "5 tacos at $4 each costs $20."
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