输入：0123456789

输出：9876543210

严格要求10位，cobol必须严格要求位数。

代码如下：

000010 IDENTIFICATION                 DIVISION.000020  PROGRAM-ID.                   STUDY6-103.000030 ENVIRONMENT                    DIVISION.000040 DATA                           DIVISION.000050  WORKING-STORAGE                       SECTION.000060 01                             W-DATA PIC X(10).000070 01 W-DATA-1 REDEFINESW-DATA.000080       03                         WA PIC X.000090       03                         WB PIC X.000100       03                         WC PIC X.000110       03                         WD PIC X.000120       03                         WE PIC X.000130       03                         WF PIC X.000140       03                         WG PIC X.000150       03                         WH PIC X.000160       03                         WI PIC X.000170       03                         WJ PIC X.000180 01 W-DATA-2.000190       03                         WJ PIC X.000200       03                         WI PIC X.000210       03                         WH PIC X.000220       03                         WG PIC X.000230       03                         WF PIC X.000240       03                         WE PIC X.000250       03                         WD PIC X.000260       03                         WC PIC X.000270       03                         WB PIC X.000280       03                         WA PIC X.000290 PROCEDURE                      DIVISION.000300     ACCEPT W-DATA.000310     MOVE CORR W-DATA-1 TO W-DATA-2.000320     DISPLAY W-DATA-2.000330     STOP RUN.000340

此次主要联系CORR的用法，如果不加的话会前后一致的赋值，输出结果和输入一样，加上以后会按照相同名称赋值。