scuti/00-mktdata: numpy/pandas/plplot demos @ demo3

- 34e20ff990 fixed peewee dependency?		2 달 전
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multitasking @ 48e6ca615b	20644bffb0 c program with python api somewhat working	2 달 전
pewee @ 6d59dd6c43	34e20ff990 fixed peewee dependency?	2 달 전
yfinance @ bd1a597a0c	20644bffb0 c program with python api somewhat working	2 달 전