For which of the following statements will the variable s contain a string data type after it is executed?

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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For which of the following statements will the variable s contain a string data type after it is executed?

```python
s = "3.14159"

s = input("Enter an integer:")

s = "3.14159" + 3

s = "3.14159" + "3"

s = str(3.14159)

s = print(3.14159)
```

### Explanation

1. **String Assignment**: 
   - `s = "3.14159"`: Assigns the string "3.14159" to the variable `s`.

2. **User Input**:
   - `s = input("Enter an integer:")`: Prompts the user to enter an integer. The input is stored as a string in `s`.

3. **String and Integer Concatenation**:
   - `s = "3.14159" + 3`: Attempts to add the integer `3` to the string `"3.14159"`. This will cause a TypeError since you cannot directly concatenate a string and an integer in Python.

4. **String Concatenation**:
   - `s = "3.14159" + "3"`: Concatenates the strings `"3.14159"` and `"3"` resulting in the string `"3.141593"`.

5. **Convert Float to String**:
   - `s = str(3.14159)`: Converts the float `3.14159` to a string and assigns it to `s`.

6. **Print Function Assignment**:
   - `s = print(3.14159)`: Prints the number `3.14159` to the console and assigns the result of `print()`, which is `None`, to `s`.
Transcribed Image Text:```python s = "3.14159" s = input("Enter an integer:") s = "3.14159" + 3 s = "3.14159" + "3" s = str(3.14159) s = print(3.14159) ``` ### Explanation 1. **String Assignment**: - `s = "3.14159"`: Assigns the string "3.14159" to the variable `s`. 2. **User Input**: - `s = input("Enter an integer:")`: Prompts the user to enter an integer. The input is stored as a string in `s`. 3. **String and Integer Concatenation**: - `s = "3.14159" + 3`: Attempts to add the integer `3` to the string `"3.14159"`. This will cause a TypeError since you cannot directly concatenate a string and an integer in Python. 4. **String Concatenation**: - `s = "3.14159" + "3"`: Concatenates the strings `"3.14159"` and `"3"` resulting in the string `"3.141593"`. 5. **Convert Float to String**: - `s = str(3.14159)`: Converts the float `3.14159` to a string and assigns it to `s`. 6. **Print Function Assignment**: - `s = print(3.14159)`: Prints the number `3.14159` to the console and assigns the result of `print()`, which is `None`, to `s`.
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