Create app.py

app.py

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+# Install dependencies
+# pip install gradio langgraph
+
+import gradio as gr
+import random
+from typing import Literal
+from typing_extensions import TypedDict
+from langgraph.graph import StateGraph, START, END
+
+# Define the game state
+global_score = {"total": 0}  # Track winnings globally
+
+class State(TypedDict):
+    bet: int
+    result: str
+    score: int
+
+# Nodes for LangGraph
+def input_node(state):
+    return state
+
+def success_node(state):
+    global_score["total"] += 10
+    state["result"] = f"You win! +$10"
+    state["score"] = global_score["total"]
+    return state
+
+def failure_node(state):
+    global_score["total"] -= 5
+    state["result"] = f"You lose! -$5"
+    state["score"] = global_score["total"]
+    return state
+
+def determine_outcome(state) -> Literal["node_2", "node_3"]:
+    roll = random.randint(1, 6) + random.randint(1, 6)
+    print(f"[Roll]: {roll} vs Bet: {state['bet']}")
+    return "node_2" if roll <= state["bet"] else "node_3"
+
+# Build LangGraph
+builder = StateGraph(State)
+builder.add_node("node_1", input_node)
+builder.add_node("node_2", success_node)
+builder.add_node("node_3", failure_node)
+
+builder.add_edge(START, "node_1")
+builder.add_conditional_edges("node_1", determine_outcome)
+builder.add_edge("node_2", END)
+builder.add_edge("node_3", END)
+
+graph = builder.compile()
+
+# Gradio UI function
+def play_game(bet: int):
+    if bet < 1 or bet > 12:
+        return "Please enter a value between 1 and 12.", global_score["total"]
+    result = graph.invoke({"bet": bet, "result": "", "score": global_score["total"]})
+    return result["result"], result["score"]
+
+# Gradio Interface
+with gr.Blocks() as demo:
+    gr.Markdown("## 🎲 Dice Bet Game with LangGraph")
+    with gr.Row():
+        bet_input = gr.Number(label="Your Bet (1-12)", value=7, precision=0)
+        result_output = gr.Textbox(label="Result")
+        score_output = gr.Number(label="Total Winnings", value=0, precision=0, interactive=False)
+    play_button = gr.Button("Roll Dice")
+    play_button.click(play_game, inputs=[bet_input], outputs=[result_output, score_output])
+
+if __name__ == "__main__":
+    demo.launch()