Update app.py

app.py

@@ -79,9 +79,13 @@ def algorithms_greedy_coloring():
         if st.button("Generate Graph"):
             if nodes_input and edges_input:
                 try:
-                    # Parse the input for nodes and edges
-                    nodes = list(map(int, nodes_input.split(",")))
-                    edges = [tuple(map(int, edge.strip()[1:-1].split(","))) for edge in edges_input.split("),")]
+                    # Clean and parse the input for nodes (strip spaces, remove empty strings)
+                    nodes = [node.strip() for node in nodes_input.split(",") if node.strip()]
+                    nodes = list(map(int, nodes))
+
+                    # Clean and parse the input for edges (strip spaces and remove empty strings)
+                    edges = [edge.strip() for edge in edges_input.split("),") if edge.strip()]
+                    edges = [tuple(map(int, edge.strip("()").split(","))) for edge in edges]
 
                     G = nx.Graph()
                     G.add_nodes_from(nodes)