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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 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 Dictionary: Count number of items in a dictionary value that is a list.

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Python: Tips of the Day

Invokes the provided function after ms milliseconds:

Example:

from time import sleep

def tips_delay(fn, ms, *args):
  sleep(ms / 1000)
  return fn(*args)
print(tips_delay(
  lambda x: print(x),
  1000,
  'w3r'
))

Output:

w3r
None