Python is the default choice for SRE automation. Know these areas well.
File operations:
with open('log.txt', 'r') as f:
for line in f:
process(line)
Data structures: Lists, dictionaries, sets. Know when to use each.
Key standard library modules:
os,sys: System interactionsubprocess: Run shell commandsjson: Parse/generate JSONre: Regular expressionscollections: Counter, defaultdictargparse: Command-line arguments
Interview tip: Write clean, readable code. Use meaningful variable names. Handle errors gracefully.