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Python 3 - dictionary fromkeys() Method
Description
The method fromkeys() creates a new dictionary with keys from seq and values set to value.
Syntax
Following is the syntax for fromkeys() method −
dict.fromkeys(seq[, value]))
Parameters
seq − This is the list of values which would be used for dictionary keys preparation.
value − This is optional, if provided then value would be set to this value
Return Value
This method returns the list.
Example
The following example shows the usage of fromkeys() method.
#!/usr/bin/python3
seq = ('name', 'age', 'sex')
dict = dict.fromkeys(seq)
print ("New Dictionary : %s" % str(dict))
dict = dict.fromkeys(seq, 10)
print ("New Dictionary : %s" % str(dict))
Result
When we run above program, it produces the following result −
New Dictionary : {'age': None, 'name': None, 'sex': None}
New Dictionary : {'age': 10, 'name': 10, 'sex': 10}
python_dictionary.htm
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