[Python] 20. pandas DataFrame merge(병합) : pd.merge(),pd.concat()예제
import pandas as pd import numpy as np employee = [{'empno':1, 'ename':'kim', 'dept':1}, {'empno':2, 'ename':'lee', 'dept':2}, {'empno':3, 'ename':'park', 'dept':1}, {'empno':4, 'ename':'song', 'dept':3}, {'empno':5, 'ename':'min', 'dept':2} ] dept=[{'dept':1, 'deptname':'관리직'}, {'dept':2, 'deptname':'영업직'}, {'dept':3, 'deptname':'개발직'} ] info =[{'empno':1, 'addr':'서울시','phone':'010-1111-1111'},..
