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Python Exercise: Count number of items in a dictionary value that is a list

Python dictionary: Exercise-34 with Solution

Write a Python program to count number of items in a dictionary value that is a list.

Sample Solution:-

Python Code:

dict =  {'Alex': ['subj1', 'subj2', 'subj3'], 'David': ['subj1', 'subj2']}
ctr = sum(map(len, dict.values()))
print(ctr)

Sample Output: 

5

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Python: Tips of the Day

Python: Convert byte to a string?

You need to decode the bytes object to produce a string:

>>> b"abcde"
b'abcde'

# utf-8 is used here because it is a very common encoding, but you
# need to use the encoding your data is actually in.
>>> b"abcde".decode("utf-8") 
'abcde'

Ref: https://bit.ly/2YuvClI