adjacencyList | Python Fiddle

def adjacencyList():
	fileName = input("Please enter desired file name") #must know file name to open
	with open(fileName) as f: #assuming in same directory
		A = [None] * 200 #empty primary array
		for line in f:
			line = line.split() #removing spaces
			if line: #eliminating blank lines            
				line = [float(i) for i in line] #using float because of rank
				A.append(line) #adds into (double) array
	vertex = [] #for vertex IDs
	for v in range(len(A)): #for number of vertices
		vertex.append(int(A[v][0])) #entering in IDs
	adjList = [-1] * 200 #initializing adjacency list
	for index in range(arrL): #for all indices in list
		for a in range(len(vertex)): #for all IDs
			if index == vertex[a]: #if the index matches the ID
				adjList[index] = A[a] #information for vertex is entered
				id  = adjList[index][0] #just bc is used more than once
				print("Vertex ",id,":") #begin output of vertex
				print("rank = 1, out-degree = ",adjList[index][1])
				edge = [] #bc may be more than one need array
				for b in range(1,len(adjList[index])): #for all poss edge values
					edge.append(int(adjList[index][b])) #creates set
					print("Edges to ",id,": ",str(edge).strip('[]')) #prints all edges separated by commas

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