List comprehension is a Python feature to process elements in the list without writing a function.
Square of numbers from 0 to n
Python script
for x in range(10):
print(x**2)
List comprehension
[x**2 for x in range(n)]
Map function
map(lambda x: x**2, range(n))
Square of even numbers from 0 to n
Python script
for x in range(10):
if x%2 == 0:
print(x**2)
List comprehension with if clause
[x**2 for x in range(n) if x%2 == 0]
List comprehension with two items
[x + y for x in range(10) for y in range(10)]
[(x, y, x+y) for x in range(10) for y in range(10)]
List comprehension with two items with if clause
[(x, y, x+y) for x in range(10) for y in range(10) if (x%2==0) & * (y%2==0)]
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