可以

从键盘上读入一个字符存入ds:[si],将字符与‘#‘进行比较。如果不是’#‘则继续循环，如果是’#‘则跳出到next
输出换行
输出字符串

assume cs:code, ds:data

data segment
	x dw 91, 792, 8536, 65521, 2021
	len equ $ - x
data ends

code segment 
start:
	mov ax, data
	mov ds, ax
	mov cx, len / 2
	mov bp, 0
S:  mov  ax, ds:[bp]
	push cx
	call printNumber
	call printSpace
	pop cx
	add bp, 2
	loop S

	mov ah, 4ch
    int 21h

printNumber:
	mov si, 0
	mov bx, 10
L1:	mov dx, 0
	div bx
	push dx
	inc si
	cmp ax, 0
	jne L1
	mov cx, si
	mov ah, 2
L2:	pop dx
	add dl, 48
	int 21h
	loop L2
	ret

printSpace:
	mov ah, 2
	mov dl, 32
	int 21h
	ret
code ends
end start

assume cs:code, ds:data

data segment
	str db "assembly language, it's not difficult but tedious"
	len equ $ - str
data ends

code segment 
start:
	mov ax, data
	mov ds, ax
	mov si, 0
	mov cx, len
	call strupr

	mov ah, 4ch
    int 21h

strupr:
L1:	cmp BYTE PTR ds:[si], 97
	jl L2
	cmp BYTE PTR ds:[si], 122
	jg L2
	sub BYTE PTR ds:[si], 32
L2:	inc si
	loop L1
	ret

code ends
end start