Curso Python DGA 2011/inmersion python/chuleta

Aplicar una función a cada elemento de una lista

>>> map(str, range(10))
['0', '1', '2', '3', '4', '5', '6', '7', '8', '9']
>>> ', '.join(map(str, range(10)))
'0, 1, 2, 3, 4, 5, 6, 7, 8, 9'

Comprensión de listas

>>> [x**2 for x in range(10)]
[0, 1, 4, 9, 16, 25, 36, 49, 64, 81]
>>> [x**2 for x in range(10) if x % 2]
[1, 9, 25, 49, 81]
>>> ', '.join([str(x) for x in range(10)])
'0, 1, 2, 3, 4, 5, 6, 7, 8, 9'