python list comprehension and statement code example

Example: list comprehension in python

Squaring List elements:
  By loop:
    
lst = [1, 2, 3]
l =[]
for i in lst:
  lst.append(i*i)
print(l)


  By List Comprehension:

lst = [1, 2, 3]
l = [x*x for x in lst]
print(l)