Dictionary .get() method. Please, some help! Thanks.

Question

The answer for this is 1... I have no idea how this works or why its 1.....
Any help would be great. Thanks!

def histogram(s):
d = {}
for c in s:
d[c] = d.get(c, 0) + 1
return d

print(histogram('hello, world')[' '])

What does this line mean?
d[c] = d.get(c, 0) + 1

Get the character of value 0 and add 1?
Woudlnt that mean the answe is 2? As there is one space and then we +1?

Answer 1

def histogram(the_sentance):
my_histogram_data = {}

for the_character in the_sentance:
# if the dictionary key does not exist create one
# with a default value = 0
# then increment that key value by 1
my_histogram_data[the_character] = \
my_histogram_data.get(the_character, 0) + 1
return my_histogram_data

result = histogram('hello, world')
for item in result:
print(result[item],item)

# it can often be helpful to give the code words
# meaningful to you when trying to decipher the intent.

Answer 2

Thank you. Yeah it's a question on a test. Unfortunately I have to abide by the code they give 😒