>>> Left = pandas.DataFrame({'Name':['Abigail','Benny','Charlie'],'Age':[25,30,45]})
>>> Right = pandas.DataFrame({'Name':['Charlie','Devon','Ellen'],'Age':[45,50,55]})
>>> Left.merge(Right,how='left')
   Age     Name
0   25  Abigail
1   30    Benny
2   45  Charlie

What i want to return is the following
   Age     Name
0   25  Abigail
1   30    Benny