Python Tutorial: sys module for network engineers

In this video, I will discuss the sys module in python.

import sys # Import the sys module for accessing command-line arguments
from netmiko import ConnectHandler # Import ConnectHandler from netmiko library for SSH connection

# Check if the correct number of command-line arguments is provided

# Assign command-line arguments to variables

try:
# Attempt to establish an SSH connection to the device
ssh_session = ConnectHandler(
device_type='cisco_ios', # Specify the device type (Cisco IOS in this case)
ip=device_ip, # Provide the IP address of the device
username=username, # Provide the SSH username
password=password # Provide the SSH password
)

# Send a command to the device and capture the output
print(output) # Print the command output to the console

except Exception as e:
print(f"Error: {e}") # Print any exception/error that occurs during the SSH connection or command execution

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