A-A SYSTEM PROPELLANT GUPPLY SECTION A-A /ASSEMBLY \ ,TENSION / _/CABLES (4) • ,z,,,o. _LO 2 TANK __LANDING GEAR SECTION I THROUGH LANDING 1STAGE , / PROPELLANT MAGAZINES I_ _ 0 .II L_ O T= I.I StEC W f(x) = 0 new_str += thing return [x, new_str,]``` produces this error ``` Traceback (most recent call
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