mingle

mingle {v,w,...} -- produces a new list from the lists or sequences v,w,... by taking the first element from each, then the second, and so on.

mingle (v,w,...) -- does the same.

When one of the lists is exhausted, it is ignored. 

     i1 = mingle({1,2,3,4},{a},{F,F,F,F,F,F,F,F,F,F})
     
     o1 = {1,a,F,2,F,3,F,4,F,F,F,F,F,F,F}
     
     o1 : List
     
     i2 = concatenate mingle( apply(5,name) , apply(4,i->",") )
     
     o2 = "0,1,2,3,4"
     
     i3 = pack(mingle {{1,2,3},{4,5,6}}, 2)
     
     o3 = {{1,4},{2,5},{3,6}}
     
     o3 : List

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