<｜begin▁of▁sentence｜>### Instruction:
As a conservation biologist, you're tasked with studying and safeguarding biodiversity and ecosystems to preserve natural resources and habitats. Imagine you're analyzing a network of interconnected habitats to understand the flow of species between them. You have gathered data representing this network in a file called "network.gml". 

Now, using the Layout module in NetworkX, you aim to apply the Kamada-Kawai layout algorithm to visualize the spatial arrangement of habitats within this network. However, your current focus is on obtaining specific information about the first habitat in the layout. 

Could you utilize the `Layout.Layout.__getitem__` API to retrieve and display the position coordinates of the first habitat according to the Kamada-Kawai layout algorithm?
### Response:
import igraph as ig

# Load graph from file
g = ig.read('network.gml')

# Create a layout using the KK algorithm
layout = g.layout('kk')

# Access the position of the first vertex
first_vertex_position = layout[0]

# Print the position
print('Position of the first vertex:', first_vertex_position)
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