[ python ] dictionary update() method

update()

dict = {'Name': 'Zara', 'Age': 7}
dict2 = {'Sex': 'female', 'Name': 'Changed'}

dict.update(dict2)
print "Value : %s" % dict

# Value : {'Age': 7, 'Name': 'Changed', 'Sex': 'female'}

setdefault()

dict = {'Name': 'Zara', 'Age': 7}

print "Value : %s" % dict.setdefault('Age', None) # Value : 7
print "Value : %s" % dict.setdefault('Sex', None) # Value : None

ref : https://www.tutorialspoint.com/python/dictionary_update.htm,
https://www.tutorialspoint.com/python/dictionary_setdefault.htm