In [1]:

    

print('hello')


    

    




hello

In [2]:

    

# You can run shell commands by prefacing them with "!"
!ls -l


    

    




total 8
-rwxr-xr-x@ 1 siuser  staff  2161 Nov 19 15:51 hello.ipynb

In [4]:

    

def f(x, y):
    return x + y

print(f(5, 10))


    

    




15

In [2]:

    

x = 123


    

In [3]:

    

print(x)


    

    




123

In [5]:

    

x = 456


    

In [ ]: