我正在追踪Sam的decipher tutorial。当他8 group时，在我的计算机上，因子抱怨它不知道group功能。
( scratchpad ) "01101001001000000110011001110101011000110110101101100101011001000010000001111001011011110111010101110010001000000110110101101111011011010000110100001010011000010110111001100100001000000110111001101111011101110010000001100110011011110111001000100000011110010110111101110101"
--- Data stack:
"0110100100100000011001100111010101100011011010110110010101100..."
( scratchpad ) 8 group
1: 8 group
^
No word named “group” found in current vocabulary search path
The following restarts are available:
:1 Use the grouping vocabulary
:2 Use the unix.ffi vocabulary
:3 Use the unix.groups vocabulary
4 :res Defer word in current vocabulary
Type :help for debugging help.
显然group位于grouping module，但我不知道如何在解释器中导入模块（类似于Haskell的GHCi中的+m module）。