Alternate Solution?

'''
Guided Project: Profitable App Profiles For The App Store And Google Play Markets
REMOVING DUPLICATE ENTRIES - PART 2

i USED THE FOLLOWING SOLUTION INSTEAD OF THE DICTIONARY VERSION, SUGGESTED.
This was my first code in Python.
Please critique ...
'''
def explore_data(dataset, start, end, rows_and_columns=False):
    dataset_slice = dataset[start:end]    
    for row in dataset_slice:
        print(row)
        print('\n') # adds a new (empty) line after each row

    if rows_and_columns:
        print('Number of rows:', len(dataset))
        print('Number of columns:', len(dataset[0]))


apple_file = open('AppleStore.csv')
google_store = open('googleplaystore.csv')

from operator import itemgetter
from csv import(reader)
r_apple_file = reader(apple_file)
r_google_store = reader(google_store)

apple_data = list(r_apple_file)
google_data = list(r_google_store)

#print(google_data[0:1]) # get the column names
duplicate_apps = []
duplicate_data_set = []
unique_data_set = []
unique_apps = []



for app in google_data[1:]:
    name = app[0]
    if name in unique_apps:
        duplicate_apps.append(name)
        duplicate_data_set.append(app)
    else:
        unique_apps.append(name)
        unique_data_set.append(app)
count =  0
for app1 in duplicate_data_set:
    name = app1[0]
    size = app1[3]
    for app2 in google_data[1:]:
        if name == app2[0] and size > app2[3]:
            del app2
            count += 1
print('the number of duplicate app names removed = 983')
print('raw google_data Length = 10842')
print('the count of clean android data is 10842 - 983 = 9,659')
print('google_data Length = ' + str(len(google_data)))            
print('count = ' + str(count))  
print('duplicate_data_set = ' + str(len(duplicate_data_set)))
print('# of duplicate apps =' + str(len(duplicate_apps)))

'''
the number of duplicate app names removed = 983
raw google_data Length = 10842
the count of clean android data is 10842 - 983 = 9,659
google_data Length = 10842
count = 983
duplicate_data_set = 1181
# of duplicate apps =1181
'''
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