Checking whether the voltage within the range
My Goal：Checking whether the voltage within the range of 0.9 to 1.05
**My_Code_1：**
ierr, volts = psspy.abusreal(1,1,string='PU')
x1.set_cell ((3, 'z'),'pass' if (0.9 < max(zip(*volts )) < 1.05 and 0.9 < min(zip(*volts ))
< 1.05) else 'Not Pass')*
**My_Code_1_Result：**
'Not Pass'**My_Code_2：**
ierr, volts = psspy.abusreal(1,1,string='PU')
max_value = max(zip(*volts ))
min_value = min(zip(*volts ))
x1.set_cell ((3, 'z'),'pass' if (0.9 < max_value < 1.05 and 0.9 < min_value< 1.05) else
'Not Pass')*
**My_Code_2_Result：**
'Not Pass'**My_Code_3：**
tolerance = 1e-6
ierr, volts = psspy.abusreal(1,1,string='PU')
x1.set_cell ((3, 'z'),'pass' if (0.9+tolerance < max(zip(*volts )) < 1.05-tolerance and 0.9+tolerance < min(zip(*volts)<1.05-tolerance) else 'Not Pass')*
**My_Code_3_Result：**
'Not Pass'I checked all the value of max(zip(volts )) and min(zip(volts )).
They are all within 0.9~1.05. But why keep jumping into else shows 'Not Pass' ?
I did it wrong or can't do like this ?
Thank you for reading my question.
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