Tutorials List


The method fromkeys() creates a new dictionary with keys from seq and values set to value.


Following is the syntax for fromkeys() method ?

dict.fromkeys(seq[, value])


  • 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.


The following example shows the usage of fromkeys() method.


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)

When we run above program, it produces following result ?

New Dictionary : {'age': None, 'name': None, 'sex': None}
New Dictionary : {'age': 10, 'name': 10, 'sex': 10}