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Python is the dominant programming language for network automation. Its clear syntax, rich standard library, and thriving ecosystem of networking libraries make it the natural choice for engineers who need to automate repetitive tasks.
| Reason | Detail |
|---|---|
| Readable syntax | Looks like pseudocode, easy to learn for non-programmers |
| Rich ecosystem | Netmiko, NAPALM, Paramiko, pyATS, Nornir, and more |
| Cross-platform | Runs on Linux, macOS, and Windows |
| Community | Massive community with tutorials, forums, and open-source projects |
| Vendor support | Cisco, Arista, Juniper, and others provide Python SDKs and libraries |
| Rapid prototyping | Write a working script in minutes, not hours |
# Strings — device hostnames, IP addresses, commands
hostname = "switch01"
ip_address = "192.168.1.1"
# Integers — port numbers, VLAN IDs
vlan_id = 100
ssh_port = 22
# Booleans — feature flags
is_enabled = True
# Lists — collections of items (ordered, mutable)
interfaces = ["GigabitEthernet0/1", "GigabitEthernet0/2", "GigabitEthernet0/3"]
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