how to return list in a function python code example

Example 1: return a list python

def retList():
    list = []
    for i in range(0,10):
        list.append(i)
    return list
a = retList()
print a
#Output [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]

Example 2: return list python

def list_returner():
    ### Lines of code that makes/appends stuff to a list ###
    ### If you are going to add things to an existing list, add a param for this function ###
    # Assuming that the name of the list is 'list':
    return list