python graph implementation code example

Example 1: python graph

The Python Graph Gallery
Link : https://python-graph-gallery.com/all-charts/
    #This page displays all the charts currently present in the python

Example 2: representation of graph usig sets and hash in python

def find_path(graph, start, end, path=[]):
        path = path + [start]
        if start == end:
            return path
        if not graph.has_key(start):
            return None
        for node in graph[start]:
            if node not in path:
                newpath = find_path(graph, node, end, path)
                if newpath: return newpath
        return None