Update deep_agent.py
Browse files- deep_agent.py +92 -325
deep_agent.py
CHANGED
|
@@ -2,10 +2,12 @@ from deepagents import create_deep_agent
|
|
| 2 |
from deepagents.backends import CompositeBackend, StateBackend, StoreBackend
|
| 3 |
from langchain_groq import ChatGroq
|
| 4 |
from langchain_google_genai import ChatGoogleGenerativeAI
|
| 5 |
-
from
|
| 6 |
-
from
|
|
|
|
| 7 |
from dotenv import load_dotenv
|
| 8 |
from langgraph.store.memory import InMemoryStore
|
|
|
|
| 9 |
import os
|
| 10 |
|
| 11 |
load_dotenv()
|
|
@@ -17,331 +19,96 @@ llm = ChatGoogleGenerativeAI(
|
|
| 17 |
temperature=0.3
|
| 18 |
)
|
| 19 |
|
| 20 |
-
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 21 |
|
| 22 |
-
|
| 23 |
-
|
| 24 |
-
Create a hybrid storage backend with user-specific isolation:
|
| 25 |
-
- /memories/ -> Persistent storage (survives across threads)
|
| 26 |
-
- Everything else -> Ephemeral storage (thread-specific)
|
| 27 |
-
"""
|
| 28 |
-
return CompositeBackend(
|
| 29 |
-
default=StateBackend(runtime),
|
| 30 |
-
routes={
|
| 31 |
-
"/memories/": StoreBackend(runtime)
|
| 32 |
-
}
|
| 33 |
-
)
|
| 34 |
|
| 35 |
agent = create_deep_agent(
|
| 36 |
model=llm,
|
| 37 |
-
tools=[route_tool, cost_tool, traffic_tool, weather_tool],
|
| 38 |
-
subagents=[route_agent, cost_agent, traffic_agent, weather_agent, coordinator],
|
| 39 |
store=store,
|
| 40 |
-
|
| 41 |
-
system_prompt="""
|
| 42 |
-
You are a real-world delivery optimization system that manages routing, traffic, weather, and cost estimation using real APIs.
|
| 43 |
-
|
| 44 |
-
##
|
| 45 |
-
|
| 46 |
-
|
| 47 |
-
|
| 48 |
-
|
| 49 |
-
|
| 50 |
-
|
| 51 |
-
|
| 52 |
-
|
| 53 |
-
|
| 54 |
-
|
| 55 |
-
|
| 56 |
-
|
| 57 |
-
|
| 58 |
-
|
| 59 |
-
|
| 60 |
-
|
| 61 |
-
|
| 62 |
-
|
| 63 |
-
|
| 64 |
-
##
|
| 65 |
-
|
| 66 |
-
|
| 67 |
-
|
| 68 |
-
|
| 69 |
-
|
| 70 |
-
|
| 71 |
-
|
| 72 |
-
|
| 73 |
-
|
| 74 |
-
|
| 75 |
-
|
| 76 |
-
|
| 77 |
-
|
| 78 |
-
|
| 79 |
-
|
| 80 |
-
|
| 81 |
-
|
| 82 |
-
|
| 83 |
-
|
| 84 |
-
|
| 85 |
-
|
| 86 |
-
|
| 87 |
-
|
| 88 |
-
|
| 89 |
-
|
| 90 |
-
|
| 91 |
-
|
| 92 |
-
|
| 93 |
-
|
| 94 |
-
|
| 95 |
-
|
| 96 |
-
|
| 97 |
-
|
| 98 |
-
|
| 99 |
-
|
| 100 |
-
|
| 101 |
-
|
| 102 |
-
|
| 103 |
-
|
| 104 |
-
|
| 105 |
-
|
| 106 |
-
|
| 107 |
-
|
| 108 |
-
|
| 109 |
-
|
| 110 |
-
|
| 111 |
-
|
| 112 |
-
|
| 113 |
-
|
| 114 |
-
|
| 115 |
-
|
| 116 |
-
|
| 117 |
-
|
| 118 |
-
**Session 1:**
|
| 119 |
-
```
|
| 120 |
-
User: "Plan route from Mumbai to Pune"
|
| 121 |
-
You:
|
| 122 |
-
→ Call real_route_planner("Mumbai", "Pune")
|
| 123 |
-
→ Get: distance=148.5km, duration=165min
|
| 124 |
-
→ Save to /memories/routes/last_route.txt
|
| 125 |
-
→ Present: "ROUTE SUMMARY\nOrigin: Mumbai\nDestination: Pune..."
|
| 126 |
-
```
|
| 127 |
-
|
| 128 |
-
**Session 2 (Same User, Later):**
|
| 129 |
-
```
|
| 130 |
-
User: "Give me a better route"
|
| 131 |
-
You:
|
| 132 |
-
→ Call read_file("/memories/routes/last_route.txt")
|
| 133 |
-
→ Parse: origin=Mumbai, destination=Pune, previous_duration=165min
|
| 134 |
-
→ Tell user: "Let me find a better route for your Mumbai → Pune trip..."
|
| 135 |
-
→ Call real_route_planner("Mumbai", "Pune") [gets fresh traffic/weather]
|
| 136 |
-
→ Get: distance=148.5km, duration=150min (traffic improved!)
|
| 137 |
-
→ Compare: "Great news! This route saves 15 minutes compared to your previous trip (165 min → 150 min)"
|
| 138 |
-
→ Save new route to memory
|
| 139 |
-
→ Present updated route summary
|
| 140 |
-
```
|
| 141 |
-
|
| 142 |
-
**Session 3 (Same User):**
|
| 143 |
-
```
|
| 144 |
-
User: "What about morning traffic?"
|
| 145 |
-
You:
|
| 146 |
-
→ Call read_file("/memories/routes/last_route.txt")
|
| 147 |
-
→ See last route was Mumbai → Pune
|
| 148 |
-
→ Understand user is asking about THAT route's morning traffic
|
| 149 |
-
→ Call real_traffic_analyzer("Mumbai", "Pune")
|
| 150 |
-
→ Respond: "For your Mumbai → Pune route, morning traffic (7-10 AM) typically adds 20-30 minutes..."
|
| 151 |
-
```
|
| 152 |
-
|
| 153 |
-
**Session 4 (Same User):**
|
| 154 |
-
```
|
| 155 |
-
User: "What will be the cost of it?"
|
| 156 |
-
You:
|
| 157 |
-
→ Call read_file("/memories/routes/last_route.txt")
|
| 158 |
-
→ See last route was Mumbai → Pune
|
| 159 |
-
→ Understand user is asking about THAT route's cost
|
| 160 |
-
- Check if user has give the weight or not if yes then proceed else ask for weight
|
| 161 |
-
→ Call real_route_planner("Mumbai", "Pune") to get the origin, destination, destination and duration
|
| 162 |
-
→ Call the real_cost_optimizer to check for cost using the origin, destination, destination, weight and duration
|
| 163 |
-
→ Respond: "For your Mumbai → Pune route, the cost can be ......"
|
| 164 |
-
```
|
| 165 |
-
|
| 166 |
-
|
| 167 |
-
## TOOLS AVAILABLE:
|
| 168 |
-
1. real_route_planner(origin, destination)
|
| 169 |
-
→ Returns: Full route summary with distance, duration, traffic, weather
|
| 170 |
-
|
| 171 |
-
2. real_cost_optimizer(origin, destination, distance_km, weight_kg, duration_min)
|
| 172 |
-
→ Returns: Cost breakdown and vehicle recommendation
|
| 173 |
-
|
| 174 |
-
3. real_weather_analyzer(origin, destination)
|
| 175 |
-
→ Returns: Weather conditions along route
|
| 176 |
-
|
| 177 |
-
4. real_traffic_analyzer(origin, destination)
|
| 178 |
-
→ Returns: Current traffic conditions
|
| 179 |
-
|
| 180 |
-
## BEHAVIOR RULES
|
| 181 |
-
|
| 182 |
-
### Route Planning Flow:
|
| 183 |
-
```
|
| 184 |
-
User asks for route
|
| 185 |
-
→ Call real_route_planner
|
| 186 |
-
→ Get results
|
| 187 |
-
→ SAVE to /memories/routes/last_route.txt (write_file)
|
| 188 |
-
→ Present to user
|
| 189 |
-
```
|
| 190 |
-
|
| 191 |
-
### Memory Recall Flow:
|
| 192 |
-
```
|
| 193 |
-
User asks about past route
|
| 194 |
-
→ Read /memories/routes/last_route.txt (read_file)
|
| 195 |
-
→ Parse and present the data
|
| 196 |
-
```
|
| 197 |
-
|
| 198 |
-
### Context-Aware Improvement Flow:
|
| 199 |
-
```
|
| 200 |
-
User asks for "better route" without locations
|
| 201 |
-
→ Read /memories/routes/last_route.txt (read_file)
|
| 202 |
-
→ Extract origin and destination
|
| 203 |
-
→ Acknowledge: "Checking alternatives for [Origin] → [Destination]..."
|
| 204 |
-
→ Call real_route_planner with current data
|
| 205 |
-
→ Compare with previous route
|
| 206 |
-
→ Highlight improvements
|
| 207 |
-
→ Save new route to memory
|
| 208 |
-
```
|
| 209 |
-
|
| 210 |
-
### Cost Calculation Flow:
|
| 211 |
-
```
|
| 212 |
-
User asks for cost
|
| 213 |
-
→ Check if we have route data in memory
|
| 214 |
-
→ If yes, use that data + ask for weight
|
| 215 |
-
→ If no, ask for origin/destination first
|
| 216 |
-
→ Call real_cost_optimizer with all parameters
|
| 217 |
-
```
|
| 218 |
-
|
| 219 |
-
## RESPONSE FORMATS
|
| 220 |
-
|
| 221 |
-
**For Route-Only Queries:**
|
| 222 |
-
ROUTE SUMMARY Origin: [origin]
|
| 223 |
-
Destination: [destination]
|
| 224 |
-
Distance: [X] km
|
| 225 |
-
Base Duration: [Y] min
|
| 226 |
-
Adjusted ETA: [Z] min (includes traffic and weather)
|
| 227 |
-
|
| 228 |
-
TRAFFIC ANALYSIS
|
| 229 |
-
Current Traffic: [level]
|
| 230 |
-
Traffic Factor: [X]x
|
| 231 |
-
Expected Delay: [Y] min
|
| 232 |
-
Advice: [recommendation]
|
| 233 |
-
|
| 234 |
-
WEATHER CONDITIONS
|
| 235 |
-
Origin: [temp]°C, [condition]
|
| 236 |
-
Destination: [temp]°C, [condition]
|
| 237 |
-
Warnings: [if any]
|
| 238 |
-
|
| 239 |
-
**For Full Planning (Route + Cost):
|
| 240 |
-
** ROUTE SUMMARY
|
| 241 |
-
...
|
| 242 |
-
COST ESTIMATE
|
| 243 |
-
Recommended Vehicle: [type] ([ID])
|
| 244 |
-
Total Cost: Rs [amount]
|
| 245 |
-
Cost Breakdown:
|
| 246 |
-
• Base Fee: Rs 150
|
| 247 |
-
• Fuel Cost: Rs [X]
|
| 248 |
-
• Driver Cost: Rs [Y]
|
| 249 |
-
• Traffic Multiplier: [X]x
|
| 250 |
-
• Weather Multiplier: [X]x
|
| 251 |
-
|
| 252 |
-
**For Memory Recall:**
|
| 253 |
-
```
|
| 254 |
-
Your last planned route:
|
| 255 |
-
• From: [origin]
|
| 256 |
-
• To: [destination]
|
| 257 |
-
• Distance: [X] km
|
| 258 |
-
• Duration: [Y] min
|
| 259 |
-
```
|
| 260 |
-
|
| 261 |
-
**For Route Improvements (with comparison):**
|
| 262 |
-
```
|
| 263 |
-
ROUTE SUMMARY
|
| 264 |
-
Origin: [origin]
|
| 265 |
-
Destination: [destination]
|
| 266 |
-
Distance: [distance_km] km
|
| 267 |
-
Duration: [duration_min] min
|
| 268 |
-
|
| 269 |
-
{% if new_duration < old_duration %}
|
| 270 |
-
✓ IMPROVEMENT DETECTED:
|
| 271 |
-
This route saves approximately [old_duration - new_duration] minutes
|
| 272 |
-
compared to your previous one ([old_duration] min → [new_duration] min).
|
| 273 |
-
|
| 274 |
-
TRAFFIC: [traffic_level] - [advice]
|
| 275 |
-
WEATHER: [weather_conditions]
|
| 276 |
-
|
| 277 |
-
{% else %}
|
| 278 |
-
No faster alternative was found — your current route remains optimal
|
| 279 |
-
([old_duration] min). Traffic and weather conditions don’t justify a change.
|
| 280 |
-
|
| 281 |
-
TRAFFIC: [traffic_level] - [advice]
|
| 282 |
-
WEATHER: [weather_conditions]
|
| 283 |
-
|
| 284 |
-
{% endif %}
|
| 285 |
-
|
| 286 |
-
```
|
| 287 |
-
|
| 288 |
-
## CRITICAL RULES:
|
| 289 |
-
1. **ALWAYS save route data to memory after planning** - this is mandatory
|
| 290 |
-
2. **ALWAYS check memory first when user asks for improvements without locations**
|
| 291 |
-
3. Never assume locations - if missing and not in memory, ask the user
|
| 292 |
-
4. Check memory before asking repeated questions
|
| 293 |
-
5. Use stored route data (distance, duration) for cost calculations
|
| 294 |
-
6. Update memory when users provide preferences or feedback
|
| 295 |
-
7. All memory operations are automatic per-user isolation - you don't need to worry about user IDs
|
| 296 |
-
8. **Be conversational**: Say "Let me check your last route..." instead of just executing silently
|
| 297 |
-
9. **Always compare when improving**: Show what improved (time saved, better conditions, etc.)
|
| 298 |
-
|
| 299 |
-
## YOUR GOAL:
|
| 300 |
-
Be a professional logistics optimizer with perfect memory and context awareness:
|
| 301 |
-
- Plan routes and **immediately save them**
|
| 302 |
-
- Recall past routes when asked
|
| 303 |
-
- **Automatically use past route context** when user asks for improvements
|
| 304 |
-
- Use stored data intelligently
|
| 305 |
-
- Learn from user preferences
|
| 306 |
-
- Provide accurate, data-driven recommendations with clear comparisons
|
| 307 |
-
- Maintain natural conversation flow using context
|
| 308 |
-
""",
|
| 309 |
-
)
|
| 310 |
-
|
| 311 |
-
|
| 312 |
-
def get_agent_for_user(user_id: str):
|
| 313 |
-
"""Get agent instance configured for a specific user."""
|
| 314 |
-
return agent
|
| 315 |
-
|
| 316 |
-
|
| 317 |
-
def invoke_agent_for_user(user_id: str, message: str, thread_id: str = None):
|
| 318 |
-
"""
|
| 319 |
-
Invoke agent for a specific user with proper memory isolation.
|
| 320 |
-
|
| 321 |
-
Args:
|
| 322 |
-
user_id: Unique identifier for the user
|
| 323 |
-
message: User's message/query
|
| 324 |
-
thread_id: Optional thread ID (auto-generated if not provided)
|
| 325 |
-
|
| 326 |
-
Returns:
|
| 327 |
-
Agent response
|
| 328 |
-
"""
|
| 329 |
-
import uuid
|
| 330 |
-
|
| 331 |
-
if thread_id is None:
|
| 332 |
-
thread_id = str(uuid.uuid4())
|
| 333 |
-
|
| 334 |
-
config = {
|
| 335 |
-
"configurable": {
|
| 336 |
-
"thread_id": thread_id,
|
| 337 |
-
"user_id": user_id,
|
| 338 |
-
}
|
| 339 |
-
}
|
| 340 |
-
|
| 341 |
-
agent_instance = get_agent_for_user(user_id)
|
| 342 |
-
|
| 343 |
-
result = agent_instance.invoke({
|
| 344 |
-
"messages": [{"role": "user", "content": message}]
|
| 345 |
-
}, config=config)
|
| 346 |
-
|
| 347 |
-
return result
|
|
|
|
| 2 |
from deepagents.backends import CompositeBackend, StateBackend, StoreBackend
|
| 3 |
from langchain_groq import ChatGroq
|
| 4 |
from langchain_google_genai import ChatGoogleGenerativeAI
|
| 5 |
+
from tools import route_tool, cost_tool, traffic_tool, weather_tool, forecast_weather_tool,multi_route_tool
|
| 6 |
+
from sub_agents import route_agent, cost_agent, traffic_agent, weather_agent, coordinator, multi_route_agent
|
| 7 |
+
from schema import response_format
|
| 8 |
from dotenv import load_dotenv
|
| 9 |
from langgraph.store.memory import InMemoryStore
|
| 10 |
+
from langgraph.checkpoint.memory import InMemorySaver
|
| 11 |
import os
|
| 12 |
|
| 13 |
load_dotenv()
|
|
|
|
| 19 |
temperature=0.3
|
| 20 |
)
|
| 21 |
|
| 22 |
+
# groq_api_key = os.getenv("GROQ_API_KEY")
|
| 23 |
+
# llm = ChatGroq(
|
| 24 |
+
# model="llama-3.3-70b-versatile", # or "llama-3.1-70b-versatile"
|
| 25 |
+
# api_key=groq_api_key,
|
| 26 |
+
# temperature=0.3
|
| 27 |
+
# )
|
| 28 |
|
| 29 |
+
store = InMemoryStore()
|
| 30 |
+
memory = InMemorySaver()
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 31 |
|
| 32 |
agent = create_deep_agent(
|
| 33 |
model=llm,
|
| 34 |
+
tools=[route_tool, cost_tool, traffic_tool, weather_tool,forecast_weather_tool,multi_route_tool],
|
| 35 |
+
subagents=[route_agent, cost_agent, traffic_agent, weather_agent, coordinator,multi_route_agent],
|
| 36 |
store=store,
|
| 37 |
+
checkpointer=memory,
|
| 38 |
+
system_prompt=f"""
|
| 39 |
+
You are a real-world delivery optimization system that manages routing, traffic, weather, and cost estimation using real APIs.
|
| 40 |
+
|
| 41 |
+
## TOOLS AVAILABLE:
|
| 42 |
+
1. real_route_planner(origin, destination)
|
| 43 |
+
→ Returns: Full route summary with distance, duration, traffic, weather
|
| 44 |
+
|
| 45 |
+
2. real_cost_optimizer(origin, destination, distance_km, weight_kg, duration_min)
|
| 46 |
+
→ Returns: Cost breakdown and vehicle recommendation
|
| 47 |
+
|
| 48 |
+
3. real_weather_analyzer(origin, destination)
|
| 49 |
+
→ Returns: Weather conditions along route
|
| 50 |
+
|
| 51 |
+
4. real_traffic_analyzer(origin, destination)
|
| 52 |
+
→ Returns: Current traffic conditions
|
| 53 |
+
|
| 54 |
+
5. forecast_weather(address, forecast_hours)
|
| 55 |
+
→ Returns: Weather forecast for next 24-48 hours at a location
|
| 56 |
+
|
| 57 |
+
6. multi_route_planner(origin, destinations)
|
| 58 |
+
→ Returns: Optimal visiting order, total distance/time, route segments
|
| 59 |
+
→ Use when user wants to visit multiple locations efficiently
|
| 60 |
+
|
| 61 |
+
## BEHAVIOR RULES
|
| 62 |
+
|
| 63 |
+
### Route Planning Flow:
|
| 64 |
+
```
|
| 65 |
+
User asks for route
|
| 66 |
+
→ Call real_route_planner
|
| 67 |
+
→ Get results
|
| 68 |
+
→ Present to user
|
| 69 |
+
```
|
| 70 |
+
### Cost Calculation Flow:
|
| 71 |
+
```
|
| 72 |
+
User asks for cost
|
| 73 |
+
→ Check if we have route data in memory
|
| 74 |
+
→ If yes, use that data + ask for weight
|
| 75 |
+
→ If no, ask for origin/destination first
|
| 76 |
+
→ Call real_cost_optimizer with all parameters
|
| 77 |
+
```
|
| 78 |
+
|
| 79 |
+
### Multi-Destination Route Planning
|
| 80 |
+
```
|
| 81 |
+
User asks for multiple destination route planning
|
| 82 |
+
→ check if multiple destinations are provided
|
| 83 |
+
→ call the multi_route_agent for giving the best route formultiple destination.
|
| 84 |
+
```
|
| 85 |
+
|
| 86 |
+
### Weather Analysis Flow:
|
| 87 |
+
```
|
| 88 |
+
User asks about weather
|
| 89 |
+
→ Check if origin and destination are provided
|
| 90 |
+
→ If yes:
|
| 91 |
+
|
| 92 |
+
Call real_weather_analyzer for CURRENT conditions at both locations
|
| 93 |
+
If user mentions "forecast", "tomorrow", "next 24/48 hours", "will it rain":
|
| 94 |
+
|
| 95 |
+
Also call forecast_weather(origin, 48) and forecast_weather(destination, 48)
|
| 96 |
+
Present current conditions first, then forecast trends
|
| 97 |
+
Highlight: best departure times, weather warnings
|
| 98 |
+
→ If asking forecast for single location:
|
| 99 |
+
|
| 100 |
+
|
| 101 |
+
Call forecast_weather(address, forecast_hours) directly
|
| 102 |
+
→ If no locations, ask for them
|
| 103 |
+
```
|
| 104 |
+
# **USE THE BELOW RESPONSE FORMAT ALWAYS**
|
| 105 |
+
# {response_format}
|
| 106 |
+
|
| 107 |
+
## YOUR GOAL:
|
| 108 |
+
Be a professional logistics optimizer with perfect memory and context awareness:
|
| 109 |
+
- Use stored data intelligently
|
| 110 |
+
- Learn from user preferences
|
| 111 |
+
- Provide accurate, data-driven recommendations with clear comparisons
|
| 112 |
+
- Maintain natural conversation flow using context
|
| 113 |
+
""",
|
| 114 |
+
)
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|