Python Codes

Common techniques for using the hash() function in Python:

Get the hash value of an object:

my_object = "Hello, world!"
my_hash = hash(my_object)

Hash multiple objects:

my_object1 = "Hello, world!"
my_object2 = (1, 2, 3)
my_object3 = {"key": "value"}
my_hash1 = hash(my_object1)
my_hash2 = hash(my_object2)
my_hash3 = hash(my_object3)

Use the hash value for an object as a dictionary key:

my_object = "Hello, world!"
my_hash = hash(my_object)
my_dict = {}
my_dict[my_hash] = my_object

Use the hash value for an object as a set element:

my_object = "Hello, world!"
my_hash = hash(my_object)
my_set = set()
my_set.add(my_hash)

Keep in mind that the hash() function is used to generate a numeric value that represents the value of an object. The value of the hash may change between different runs of a Python program, so it should not be used as a unique identifier for objects unless you are sure that the hash will not change.

In addition, not all objects are hashable, so it is not possible to use the hash() function with every type of object in Python.


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Common techniques for using the hash() function in Python:

Get the hash value of an object:

my_object = "Hello, world!"
my_hash = hash(my_object)

my_object1 = "Hello, world!"
my_object2 = (1, 2, 3)
my_object3 = {"key": "value"}
my_hash1 = hash(my_object1)
my_hash2 = hash(my_object2)
my_hash3 = hash(my_object3)

my_object = "Hello, world!"
my_hash = hash(my_object)
my_dict = {}
my_dict[my_hash] = my_object

my_object = "Hello, world!"
my_hash = hash(my_object)
my_set = set()
my_set.add(my_hash)

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