10 DIM A(20)
20 FOR I=1 TO 20
30 A(I)=RND(20)+1
40 NEXT
50 PRINT "THE FULL LIST:";
60 FOR I=1 TO 20
70 PRINT A(I);
80 NEXT
90 PRINT
100 PRINT "THE FULL LIST UP TO THE FIRST ";"INSTANCE OF 20:";
110 FOR I=1 TO 20
120 PRINT A(I);
130 IF A(I)=20 THEN END
140 NEXT