In [1]:

    

d = {'k1': 1, 'k2': 2, 'k3': 3}

d.clear()
print(d)


    

    




{}

In [2]:

    

d = {'k1': 1, 'k2': 2, 'k3': 3}

removed_value = d.pop('k1')
print(d)


    

    




{'k2': 2, 'k3': 3}

In [3]:

    

print(removed_value)


    

    




1

In [4]:

    

d = {'k1': 1, 'k2': 2, 'k3': 3}

# removed_value = d.pop('k4')
# print(d)
# KeyError: 'k4'


    

In [5]:

    

d = {'k1': 1, 'k2': 2, 'k3': 3}

removed_value = d.pop('k4', None)
print(d)


    

    




{'k1': 1, 'k2': 2, 'k3': 3}

In [6]:

    

print(removed_value)


    

    




None

In [7]:

    

d = {'k1': 1, 'k2': 2}

k, v = d.popitem()
print(k)
print(v)
print(d)


    

    




k2
2
{'k1': 1}

In [8]:

    

k, v = d.popitem()
print(k)
print(v)
print(d)


    

    




k1
1
{}

In [9]:

    

# k, v = d.popitem()
# KeyError: 'popitem(): dictionary is empty'


    

In [10]:

    

d = {'k1': 1, 'k2': 2, 'k3': 3}

del d['k2']
print(d)


    

    




{'k1': 1, 'k3': 3}

In [11]:

    

d = {'k1': 1, 'k2': 2, 'k3': 3}

del d['k1'], d['k3']
print(d)


    

    




{'k2': 2}

In [12]:

    

d = {'k1': 1, 'k2': 2, 'k3': 3}

# del d['k4']
# print(d)
# KeyError: 'k4'