In [1]:

    

print(1 in [0, 1, 2])


    

    




True

In [2]:

    

print(100 in [0, 1, 2])


    

    




False

In [3]:

    

print(1 in (0, 1, 2))


    

    




True

In [4]:

    

print(1 in {0, 1, 2})


    

    




True

In [5]:

    

print(1 in range(3))


    

    




True

In [6]:

    

l = [0, 1, 2]
i = 0

if i in l:
    print('{} is a member of {}.'.format(i, l))
else:
    print('{} is not a member of {}.'.format(i, l))


    

    




0 is a member of [0, 1, 2].

In [7]:

    

l = [0, 1, 2]
i = 100

if i in l:
    print('{} is a member of {}.'.format(i, l))
else:
    print('{} is not a member of {}.'.format(i, l))


    

    




100 is not a member of [0, 1, 2].

In [8]:

    

l = [0, 1, 2]

if l:
    print('not empty')
else:
    print('empty')


    

    




not empty

In [9]:

    

l = []

if l:
    print('not empty')
else:
    print('empty')


    

    




empty

In [10]:

    

d = {'key1': 'value1', 'key2': 'value2', 'key3': 'value3'}


    

In [11]:

    

print('key1' in d)


    

    




True

In [12]:

    

print('value1' in d)


    

    




False

In [13]:

    

print('value1' in d.values())


    

    




True

In [14]:

    

print(('key1', 'value1') in d.items())


    

    




True

In [15]:

    

print(('key1', 'value2') in d.items())


    

    




False

In [16]:

    

print('a' in 'abc')


    

    




True

In [17]:

    

print('x' in 'abc')


    

    




False

In [18]:

    

print('ab' in 'abc')


    

    




True

In [19]:

    

print('ac' in 'abc')


    

    




False

In [20]:

    

print(10 in [1, 2, 3])


    

    




False

In [21]:

    

print(10 not in [1, 2, 3])


    

    




True

In [22]:

    

print(not 10 in [1, 2, 3])


    

    




True

In [23]:

    

print(not (10 in [1, 2, 3]))


    

    




True

In [24]:

    

print((not 10) in [1, 2, 3])


    

    




False

In [25]:

    

print(not 10)


    

    




False

In [26]:

    

print(False in [1, 2, 3])


    

    




False

In [27]:

    

print([0, 1] in [0, 1, 2])


    

    




False

In [28]:

    

print([0, 1] in [[0, 1], [1, 0]])


    

    




True

In [29]:

    

l = [0, 1, 2]
v1 = 0
v2 = 100


    

In [30]:

    

print(v1 in l and v2 in l)


    

    




False

In [31]:

    

print(v1 in l or v2 in l)


    

    




True

In [32]:

    

print((v1 in l) or (v2 in l))


    

    




True

In [33]:

    

l1 = [0, 1, 2, 3, 4]
l2 = [0, 1, 2]
l3 = [0, 1, 5]
l4 = [5, 6, 7]


    

In [34]:

    

print(set(l2) <= set(l1))


    

    




True

In [35]:

    

print(set(l3) <= set(l1))


    

    




False

In [36]:

    

print(set(l1).isdisjoint(set(l4)))


    

    




True

In [37]:

    

print(not set(l1).isdisjoint(set(l3)))


    

    




True

In [38]:

    

l = [0, 1, 2]

for i in l:
    print(i)


    

    




0
1
2

In [39]:

    

print([i * 10 for i in l])


    

    




[0, 10, 20]