apply a function to a list python code example

Example 1: apply function to all list elements python

>>> from string import upper
>>> mylis=['this is test', 'another test']
>>> map(upper, mylis)
['THIS IS TEST', 'ANOTHER TEST']

Example 2: python apply function to list

"""
N. B. myfunction must be able to take as argument 
      the elements of the list
"""

def myfunction(x): 
  # process x
  return #some results

#declare your list
l1 = list(...)

# get a list with the transformed values
# according to myfunction
l2 = list(map(myfunction, l1))