In [1]:

    

import ast


    

In [2]:

    

s = '["a", "b", "c"]'


    

In [3]:

    

l = ast.literal_eval(s)
print(l)


    

    




['a', 'b', 'c']

In [4]:

    

print(type(l))


    

    




<class 'list'>

In [5]:

    

s = '["x", 1, True]'


    

In [6]:

    

l = ast.literal_eval(s)
print(l)


    

    




['x', 1, True]

In [7]:

    

print(type(l[0]))


    

    




<class 'str'>

In [8]:

    

print(type(l[1]))


    

    




<class 'int'>

In [9]:

    

print(type(l[2]))


    

    




<class 'bool'>

In [10]:

    

s = '{"key1": 1, "key2": 2}'


    

In [11]:

    

d = ast.literal_eval(s)
print(d)


    

    




{'key1': 1, 'key2': 2}

In [12]:

    

print(type(d))


    

    




<class 'dict'>

In [13]:

    

s = '{1, 2, 3}'


    

In [14]:

    

se = ast.literal_eval(s)
print(se)


    

    




{1, 2, 3}

In [15]:

    

print(type(se))


    

    




<class 'set'>

In [16]:

    

s = '["x", 1 + 10]'


    

In [17]:

    

print(eval(s))


    

    




['x', 11]

In [18]:

    

# print(ast.literal_eval(s))
# ValueError: malformed node or string


    

In [19]:

    

a = 100
print(eval('[1, a]'))


    

    




[1, 100]

In [20]:

    

# a = 100
# print(ast.literal_eval('[1, a]'))
# ValueError: malformed node or string


    

In [21]:

    

import json


    

In [22]:

    

s = '{"key1": [1, 2, 3], "key2": "abc"}'


    

In [23]:

    

print(json.loads(s))


    

    




{'key1': [1, 2, 3], 'key2': 'abc'}

In [24]:

    

print(ast.literal_eval(s))


    

    




{'key1': [1, 2, 3], 'key2': 'abc'}

In [25]:

    

s = '[True, False, None]'


    

In [26]:

    

# print(json.loads(s))
# JSONDecodeError: Expecting value:


    

In [27]:

    

print(ast.literal_eval(s))


    

    




[True, False, None]

In [28]:

    

s = '[true, false, null]'


    

In [29]:

    

print(json.loads(s))


    

    




[True, False, None]

In [30]:

    

# print(ast.literal_eval(s))
# ValueError: malformed node or string


    

In [31]:

    

s = "{'key1': 'abc', 'key2': '''xyz'''}"


    

In [32]:

    

# print(json.loads(s))
# JSONDecodeError: Expecting property name enclosed in double quotes


    

In [33]:

    

print(ast.literal_eval(s))


    

    




{'key1': 'abc', 'key2': 'xyz'}

In [34]:

    

s = 'a, b, c'


    

In [35]:

    

l = s.split(', ')
print(l)


    

    




['a', 'b', 'c']

In [36]:

    

print(type(l))


    

    




<class 'list'>

In [37]:

    

s = '1-2-3'


    

In [38]:

    

l = s.split('-')
print(l)


    

    




['1', '2', '3']

In [39]:

    

print(type(l[0]))


    

    




<class 'str'>

In [40]:

    

l = [int(c) for c in s.split('-')]
print(l)


    

    




[1, 2, 3]

In [41]:

    

print(type(l[0]))


    

    




<class 'int'>