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# Swift's closure
#   https://d...content-available-to-author-only...e.com/library/ios/documentation/Swift/Conceptual/Swift_Programming_Language/Closures.html
 
 
digitNames = {
    0: "Zero", 1: "One", 2: "Two",   3: "Three", 4: "Four",
    5: "Five", 6: "Six", 7: "Seven", 8: "Eight", 9: "Nine"
}
numbers = [16, 58, 510]
 
 
strings = map(
    lambda number:
        output = ''
        while number > 0:
            output = digitNames[number % 10] + output
            number /= 10
 
        return output,
    numbers
)
 
 
for s in strings:
    print(s)

Traceback (most recent call last):
  File "<string>", line 1, in <module>
  File "/usr/lib/python2.7/py_compile.py", line 117, in compile
    raise py_exc
py_compile.PyCompileError: SyntaxError: ('invalid syntax', ('prog.py', 15, 13, '        while number > 0:\n'))

Standard output is empty