
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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Transcribed Image Text:The image showcases a Python code snippet with user input and its expected output. The code is designed to iterate through nested loops and perform calculations. Here's the breakdown:
### Python Code
```python
stop = int(input())
result = 0
for a in range(2):
print(a, end=': ')
for b in range(3):
result += a + b
if result > stop:
print('-', end=' ')
continue
print(result, end=' ')
print()
```
### Input
- **Input Box**: The number entered is `4`.
### Code Explanation
- **Variables**:
- `stop` is set by user input and converted to an integer.
- `result` initializes at `0`.
- **Outer Loop**: Iterates over `a` in the range `0` to `1`.
- Prints the current value of `a` followed by a colon (`:`).
- **Inner Loop**: Iterates over `b` in the range `0` to `2`.
- Calculates `result` by adding `a + b`.
- If `result` exceeds `stop`, it prints a hyphen (`-`) and continues to the next iteration.
- Otherwise, it prints the value of `result`.
### Execution Flow
1. **First Iteration (a = 0)**:
- `b = 0`: result = 0 + 0 = 0 (prints `0`)
- `b = 1`: result = 0 + 1 = 1 (prints `1`)
- `b = 2`: result = 0 + 2 = 3 (prints `3`)
2. **Second Iteration (a = 1)**:
- `b = 0`: result = 3 + 0 = 4 (prints `4`)
- `b = 1`: result = 4 + 1 = 6 (prints `-` and continues)
- `b = 2`: result = 6 + 2 = 8 (prints `-` and continues)
### Output
```
0: 0 1 3
1: 4 - -
```
The program displays the results of the calculations, showing either the calculated result or a hyphen if it exceeds the `stop` value provided by the user.
Expert Solution

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Step 1: Given Program
Nested loops provide output based on user input in this Python code. Software calculates utilizing nested loops following user input of integers. Determine the program's output from an input.
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