get() method for dictionary

All dictionary methods

get(), takes keys and values( optional ) argument ( inputs ) .

Returns : the value of the input key , None if not found and optional parameter is not there.

The original dictionary remain same without any change.

get() with key having value

my_dict={'a':'One','b':'Two','c':'Three'}
print(my_dict.get('b'))
Output is here
Two

get() with key not present

my_dict={'a':'One','b':'Two','c':'Three'}
print(my_dict.get('d'))
print(my_dict)
Output ( there is no change in dictionary )
None
{'a': 'One', 'b': 'Two', 'c': 'Three'}

get() with optional value for not present key

If the key is not present then we can get a fixed return value.
my_dict={'a':'One','b':'Two','c':'Three'}
print(my_dict.get('d','not found'))
Output
not found

Question using get()

Find out the frequency of occurrence of chars in a string?
my_str='Welcome to Python'
my_dict={}
for i in my_str:
  my_dict[i]=my_dict.get(i,0)+1
print(my_dict)
Output
{'W': 1, 'e': 2, 'l': 1, 'c': 1, 'o': 3, 'm': 1, ' ': 2,
 't': 2, 'P': 1, 'y': 1, 'h': 1, 'n': 1}

All dictionary methods

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