fromkeys() method for dictionary

fromkeys() with keys and values

my_keys=('a','b','c') # using a tuple
my_values=('ONe','Two','Three')
my_dict=dict.fromkeys(my_keys,my_values)
print(my_dict)

{'a': ('ONe', 'Two', 'Three'), 'b': ('ONe', 'Two', 'Three'), 
	'c': ('ONe', 'Two', 'Three')}

fromkeys() with keys only

my_keys=('a','b','c') # using a tuple
my_dict=dict.fromkeys(my_keys)
print(my_dict)

{'a': None, 'b': None, 'c': None}

fromkeys() with single value only

my_keys=('a','b','c') # using a tuple
my_values=('One')
my_dict=dict.fromkeys(my_keys,my_values)
print(my_dict)

{'a': 'One', 'b': 'One', 'c': 'One'}

fromkeys() with range

my_keys=range(1,6) # using a range to get sequence of keys
my_dict=dict.fromkeys(my_keys)
print(my_dict)

{1: None, 2: None, 3: None, 4: None, 5: None}

my_dict[2]='Two'
print(my_dict)

{1: None, 2: 'Two', 3: None, 4: None, 5: None}