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Student Support Forum > General > > "Module Not Happy"

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Original Message (ID '124888') By CCOsborn:
What is interesting to me and it not mentioned in the documentation is that, if... l={1,2} Append[l,x] Results in {1,2,x} Yet, For[i=0,i<4,i++,Append[l,x]] does not change l, why??? Yes, AppendTo does what you would expect. What is the difference?