In [6]:

    

from CalCalc import calculate
calculate('')


    

    




---------------------------------------------------------------------------
NameError                                 Traceback (most recent call last)
<ipython-input-6-50fd05914057> in <module>()
      1 from CalCalc import calculate
----> 2 calculate('2*bd')

/Users/Yigong/Documents/Python/AY250/hw2/CalCalc.py in calculate(st)
      1 def calculate(st):
      2 
----> 3         return eval(st)

/Users/Yigong/Documents/Python/AY250/hw2/CalCalc.py in <module>()

NameError: name 'bd' is not defined

In [8]:

    

eval("os.system('clear')")


    

    




---------------------------------------------------------------------------
NameError                                 Traceback (most recent call last)
<ipython-input-8-09c12f3975e0> in <module>()
----> 1 eval("os.system('clear')")

<string> in <module>()

NameError: name 'os' is not defined

In [ ]: