[a + 1 for a in [1, 2]] #! 3 type-error-operation [a + '' for a in [1, 2]] #! 3 type-error-operation (a + '' for a in [1, 2]) #! 12 type-error-not-iterable [a for a in 1] tuple(str(a) for a in [1]) #! 8 type-error-operation tuple(a + 3 for a in ['']) # ---------- # Some variables within are not defined # ---------- #! 12 name-error [1 for a in NOT_DEFINFED for b in a if 1] #! 25 name-error [1 for a in [1] for b in NOT_DEFINED if 1] #! 12 name-error [1 for a in NOT_DEFINFED for b in [1] if 1] #! 19 name-error (1 for a in [1] if NOT_DEFINED)