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Flawless Purchase to Activation Experience.
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Consistently Satisfying Digital Purchases.
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To solve this problem, we need to reformat a given JSON structure into HTML to display system requirements. The input JSON can either be a list of system requirements grouped by operating systems or a list of individual key-value pairs specifying the requirements. Based on the structure of the input, we will generate appropriate HTML output.
### Approach
1. **Parse the Input JSON**: Convert the input JSON string into a structure that can be easily processed.
2. **Check Input Structure**: Determine if the input consists of multiple system requirements each with a specific operating system or a list of individual key-value pairs.
3. **Generate HTML_output**:
- If the input contains multiple systems (each with "system" and "requirement" keys), generate separate HTML blocks for each system.
- If the input consists of individual key-value pairs, consolidate them into a single HTML block listing all requirements.
4. **Construct HTML Elements**: Use appropriate HTML tags and structure to present the requirements clearly and neatly.
### Solution Code
```python
import json
from itertools import chain
def reformat_html(json_input):
data = json.loads(json_input)
html_output = []
# Check if the input is a list
if not isinstance(data, list):
return ""
# Determine if the data contains system and requirement fields
first_item = data[0] if data else {}
is_system_entry = 'system' in first_item and 'requirement' in first_item
if is_system_entry:
# Process each system entry
for entry in data:
system_name = entry.get('system', 'Default System')
requirements = entry.get('requirement', '')
html = f'''
'''
html_output.append(html)
else:
# Collect all key-value pairs
requirements = []
for entry in data:
for key, value in entry.items():
requirements.append(f'{key}: {value} ')
# Create the HTML output
html = f'''
'''
html_output.append(html)
return ''.join(html_output).strip()
# Example usage:
# input_json = '''
# [
# {"OS":"Windows XP or Windows Vista"},
# {"Processor":"1.8 GHz"},
# {"Memory":"512MB RAM (1 GB recommended)"},
# {"Graphics":"3D graphics card compatible with DirectX 8 (compatible with DirectX 9 recommended)"},
# {"Hard Drive":"2GB"},
# {"Additional":"Mouse, Keyboard"}
# ]
# '''
# print(reformat_html(input_json))
```
### Explanation
1. **Parsing Input JSON**: The input JSON is parsed into a list of dictionaries. This allows us to easily iterate over each entry.
2. **Check Input Structure**: By examining the keys of the first item, we determine if the input represents multiple systems with specific requirements or a list of individual requirements.
3. **Generate HTML_blocks**:
- For multiple systems, each entry is converted into a separate `
{system_name} System Requirements
MINIMUM SPECS
{requirements}System Requirements
MINIMUM SPECS
-
{''.join(requirements)}
` block with the system name as the title and its specific requirements.
- For individual key-value pairs, all entries are collected into a list and inserted into a single `
` block under a generic title.
4. **Construct HTML Elements**: The HTML elements are constructed using appropriate tags and structure to ensure the requirements are presented clearly and neatly.
This approach ensures that the system requirements are displayed in a user-friendly format, whether they are grouped by systems or listed individually.
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