Check out example codes for "networkx remove attributes". It will help you in understanding the concepts better.

Code Example 1

In [1]: import networkx as nx

In [2]: G = nx.Graph()

In [3]: G.add_node(1,color='red')

In [4]: G.node[1]['shape']='pear'

In [5]: list(G.nodes(data=True))
Out[5]: [(1, {'color': 'red', 'shape': 'pear'})]

In [6]: del G.node[1]['color']

In [7]: list(G.nodes(data=True))
Out[7]: [(1, {'shape': 'pear'})]

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