Tuples
 Usage
• Tuples[list, n] generates a list of all possible  -tuples of elements from list.
• Tuples[{ ,  , ... }] generates a list of all possible tuples whose   element is from  .
Notes
• The elements of list are treated as distinct, so that Tuples[list, n] for a list of length  gives output of length  . • The order of elements in Tuples[list, n] is based on the order of elements in list, so that Tuples[{ , ... ,  }, n] gives {{ ,  , ... ,  }, { ,  , ... ,  }, ... , { ,  , ... ,  }}. • Tuples[list, { ,  , ... }] generates a list of all possible  arrays of elements in list. • The object list need not have head List. The head at each level in the arrays generated by Tuples will be the same as the head of list. • New in Version 5.1.
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