Maya User scripts path (Win/MAC)

def _getMayaScriptFolder():
    import os; import platform;
    dspath=False;f=None;div=":";
    spaths=os.environ['MAYA_SCRIPT_PATH'];
    if platform.system()=="Windows":div=";";
    paths=spaths.split(div);
    for i in range(0,len(paths)):
        p=paths[i];
        brk=p.split("/");
        num=len(brk);
        if num>2 and brk[1]=="Users":
            for j in range(0,num):
                if brk[j]=="scripts":
                    if f==None:f=j;spath=p;
                    elif j<f:f=j;spath=p;
    return(spath);
print _getMayaScriptFolder();