Simple Function Problem, please help

[ShadowWarrior17]

When the user enters a column, the correct position is taken in the list.

The function that changes the string:

def insertChar(mystring, position, chartoinsert ):
    mystring=mystring[:position-1]+chartoinsert+mystring[position:]
    return mystring

The calling of that function:

dboard[columncheck(column)]=insertChar(dboard[columncheck(column)],(4*column)-1,counter)

Counter is literally the counter(X or O)

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I have edited the function, and the 'gravity' now works. Thanks for the help works.

If an admin could delete this post, that would be appreciated!