These are the top 6 liners in Python but there can be any number of one liner. So comment the one liner if you know.
SWAP TWO VARIABLES
a , b = b , a
SPACE SEPARATED INPUT
mylist = list(input().split())
FACTORIAL OF A NUMBER
reduce(lambda x,y:x*y, range(1,n+1))
LIST COMPREHENSION
sqres= [x*x for x in range (11)]
FIBONACCI SERIES
fib = lambda x:x if x<=1 else fib(x-1) + fib(x-2)
SUBSETS OF A SET
from itertools import combinations
print(list(combinations([1,2,3,4],2)))
TECHIE'S SCRIBBLING 