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1.8.9 Rearranging Lists
Functions for rearranging lists.
This sorts the elements of a list into a standard order. In simple cases like this, the order is alphabetical or numerical.
In[1]:= Sort[{b, a, c, a, b}]
Out[1]= 
This sorts the elements, removing any duplicates.
In[2]:= Union[{b, a, c, a, b}]
Out[2]= 
This reverses the list.
In[3]:= Reverse[{a, b, c, d}]
Out[3]= 
This rotates ("shifts") the elements in the list two places to the left.
In[4]:= RotateLeft[{a, b, c, d, e}, 2]
Out[4]= 
You can rotate to the right by giving a negative displacement, or by using RotateRight.
In[5]:= RotateLeft[{a, b, c, d, e}, -2]
Out[5]= 
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