def senkou_a(data):
sa = (tenkansen(data) + kijunsen(data)) / <NUM_LIT:2><EOL>shift_by = np.repeat(np.nan, <NUM_LIT>)<EOL>sa = np.append(shift_by, sa)<EOL>return sa<EOL>
Senkou A (Leading Span A)

Formula:
(TenkanSen + KijunSen) / 2 :: Shift Forward 26 bars