What are the real life application if lambda in python?

Question

nums = range(2, 100)
for i in range(2, 10):
nums = filter(lambda y: y == i or y % i, nums)
print nums

Answer 1

I think your example code is a great case. Lambdas in any language are nice wherever you want to write a function that is very short or that will not be used anywhere else.

Answer 2

I have heard that it is in GUI programming also?Is it so