Saturday, July 11, 2020

Python Dictionary fromkeys() Method



Hello guys! Welcome back to another section of my tutorial on Python. In this tutorial guide, we are going to be studying about the Python Dictionary fromkeys() method.

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

Syntax

The following below is the syntax for the Python Dictionary fromkeys() method -

dict.fromkeys(seq[,  value] )


Parameter Details

  • 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 below is a simple example -

#!/usr/bin/python

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)

Output
Below is the output of the above example -

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


Alright guys! This is where we are rounding up for this tutorial post. In my next tutorial, we are going to be studying about the Python Dictionary get() method.

Feel free to ask your questions where necessary and i will attend to them as soon as possible. If this tutorial was helpful to you, you can use the share button to share this tutorial.

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Thanks for reading and bye for now.
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