def group_keyvalue(l):
    
    result = {}
    for k, v in l:
         result.setdefault(k, []).append(v)
    return result
def group_keyvalue(l):
    I9hU24 = {}
   
    for k, v in l:
        I9hU24.setdefault(k, []).append(v)
    return I9hU24