dictionaries_of_diff_data.py

# Transform the frequencies inside content_ratings to proportions and percentages while creating separate dictionaries for each.

# Assign the dictionary storing proportions to a variable named c_ratings_proportions.
# Assign the dictionary storing percentages to a variable named c_ratings_percentages.
# Optional challenge: try to solve this exercise using a single for loop (solution to this challenge provided).
content_ratings= {'4+': 4433, '12+': 1155, '9+': 987, '17+': 622}
total_number_of_apps = 7197
c_ratings_proportions = {}
c_ratings_percentages = {}

for key in content_ratings:
    proportion = content_ratings[key] / total_number_of_apps    
    c_ratings_proportions[key] = proportion


for key in c_ratings_proportions:
    percentage = c_ratings_proportions[key] * 100
    c_ratings_percentages[key] = percentage