Python: Count number of items in a dictionary value that is a list
Python dictionary: Exercise-34 with Solution
Write a Python program to count the number of items in a dictionary value that is a list.
Visual Presentation:
Sample Solution:
Python Code:
# Create a dictionary 'dict' with names as keys and lists of subjects as values.
dict = {'Alex': ['subj1', 'subj2', 'subj3'], 'David': ['subj1', 'subj2']}
# Calculate the total number of subjects by summing the lengths of the lists (values) in the dictionary.
ctr = sum(map(len, dict.values()))
# Print the total count of subjects.
print(ctr)
Sample Output:
5
Python Code Editor:
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