怎么在jupyter上运行程序？

def f(x, y, z):

    return (x + y) / z

a = 5

b = 6

c = 7.5

result = f(a, b, c)

# %load ipython_script_test.py

#!/usr/bin/env python

# In[8]:

def f(x, y, z):

    return (x + y) / z

a = 5

b = 6

c = 7.5

result = f(a, b, c)

%run ipython_script_test.py

c

7.5