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Conditional Statements-313.py
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Conditional Statements-313.py
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## 1. If Statements ##
# INITIAL CODE
opened_file = open('AppleStore.csv')
from csv import reader
read_file = reader(opened_file)
apps_data = list(read_file)
free_apps_ratings = []
for row in apps_data[1:]:
rating = float(row[7])
price=float(row[4])
if price==0.0:
free_apps_ratings.append(rating)
avg_rating_free=sum(free_apps_ratings)/len(free_apps_ratings)
# Complete the code from here
## 2. Booleans ##
a_price = 0
if a_price==0:
print("'This is free'")
if a_price==1:
print("'This is not free'")
## 3. The Average Rating of Non-free Apps ##
# INITIAL CODE
opened_file = open('AppleStore.csv')
from csv import reader
read_file = reader(opened_file)
apps_data = list(read_file)
non_free_apps_ratings = []
for row in apps_data[1:]:
rating = float(row[7])
price = float(row[4])
if price != 0.0:
non_free_apps_ratings.append(rating)
avg_rating_non_free=float(sum(non_free_apps_ratings))/len(non_free_apps_ratings)
## 4. The Average Rating of Gaming Apps ##
opened_file = open('AppleStore.csv')
from csv import reader
read_file = reader(opened_file)
apps_data = list(read_file)
non_games_ratings=[]
for row in apps_data[1:]:
rating=float(row[7])
genre=row[11]
if genre!='Games':
non_games_ratings.append(rating)
avg_rating_non_games=sum(non_games_ratings)/len(non_games_ratings)
## 5. Multiple Conditions ##
# INITIAL CODE
opened_file = open('AppleStore.csv')
from csv import reader
read_file = reader(opened_file)
apps_data = list(read_file)
free_games_ratings = []
for row in apps_data[1:]:
rating = float(row[7])
price = float(row[4])
genre = row[11]
if price==0.0 and genre=="Games":
free_games_ratings.append(rating)
avg_rating_free_games=sum(free_games_ratings)/len(free_games_ratings)
## 6. The or Operator ##
# INITIAL CODE
opened_file = open('AppleStore.csv')
from csv import reader
read_file = reader(opened_file)
apps_data = list(read_file)
games_social_ratings = []
for row in apps_data[1:]:
rating = float(row[7])
genre = row[11]
if genre=="Social Networking" or genre=="Games":
games_social_ratings.append(rating)
avg_games_social=sum(games_social_ratings)/len(games_social_ratings)
# Complete code from here
## 7. Combining Logical Operators ##
opened_file = open('AppleStore.csv')
from csv import reader
read_file = reader(opened_file)
apps_data = list(read_file)
free_games_social_ratings = []
for row in apps_data[1:]:
rating = float(row[7])
genre = row[11]
price = float(row[4])
if (genre == 'Social Networking' or genre == 'Games') and price == 0:
free_games_social_ratings.append(rating)
avg_free = sum(free_games_social_ratings) / len(free_games_social_ratings)
non_free=[]
for row in apps_data[1:]:
rating=float(row[7])
genre=row[11]
price=float(row[4])
if(genre=="Social Networking" or genre=="Games") and price!=0.0:
non_free.append(rating)
avg_non_free=sum(non_free)/len(non_free)
# Non-free apps (average)
## 8. Comparison Operators ##
opened_file = open('AppleStore.csv')
from csv import reader
read_file = reader(opened_file)
apps_data = list(read_file)
price_9=[]
n_apps_more_9=0
n_apps_less_9=0
for row in apps_data[1:]:
rating=float(row[7])
price=float(row[4])
if (price>9) :
price_9.append(rating)
n_apps_more_9+=1
if (price<=9):
n_apps_less_9+=1
avg_rating=sum(price_9)/len(price_9)
## 9. The else Clause ##
# INITIAL CODE
opened_file = open('AppleStore.csv')
from csv import reader
read_file = reader(opened_file)
apps_data = list(read_file)
for app in apps_data[1:]:
price = float(app[4])
if price==0.0:
app.append("free")
else:
app.append("non-free")
apps_data[0].append('free_or_not')
print(apps_data[:6])
#'free_or_not'.append(apps_data)
# Complete code from here
## 10. The elif Clause ##
# INITIAL CODE
opened_file = open('AppleStore.csv')
from csv import reader
read_file = reader(opened_file)
apps_data = list(read_file)
for app in apps_data[1:]:
price = float(app[4])
# Complete code from here
if price==0.0:
app.append("free")
elif price>0.0 and price<20:
app.append("affordable")
elif price>=20 and price<50:
app.append("expensive")
elif price >=50:
app.append("very expensive")
apps_data[0].append('price_label')
print(apps_data[6])