import networkx as nx
from networkx.algorithms.components.connected import connected_components
import matplotlib.pyplot as plt
G = nx.read_edgelist('/home/suman/Desktop/dataset/CA-GrQc.txt', create_using = None, nodetype=int,edgetype=int)
H=nx.connected_component_subgraphs(G)
for i in H:
 print list(i)