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Python: hash() function

hash() function

The hash() function returns the hash value of the object (if it has one).

Hash values are integers. They are used to quickly compare dictionary keys during a dictionary lookup. Numeric values that compare equal have the same hash value (even if they are of different types, as is the case for 1 and 1.0).

Version:

(Python 3.2.5)

Syntax:

hash(object)

Parameter:

Name Description Required /
Optional
object An object. Required.

Example: Python hash() function

# hash for integer unchanged
print('Hash for 252 is:', hash(252))

# hash for decimal
print('Hash for 252.25 is:',hash(252.25))

# hash for string
print('Hash for Python is:', hash('Python Example'))

Output:

Hash for 252 is: 252
Hash for 252.25 is: 576460752303423740
Hash for Python is: 4427590093227766552

Python Code Editor:

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Python: Tips of the Day

Executes the provided function once for each list element:

Example:

def tips_for_each(itr, fn):
  for el in itr:
    fn(el)
tips_for_each([3, 6, 9], print)

Output:

3
6
9

 

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