├── README.md
├── main.py
└── pictures
    ├── 1.png
    ├── 2.png
    ├── 3.png
    ├── 4.png
    ├── 5.png
    ├── 6.png
    └── 7.png


/README.md:
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 1 | # Data-Base-Assignment-3
 2 | 
 3 | <img src="/pictures/1.png">
 4 | 
 5 | <img src="/pictures/2.png">
 6 | 
 7 | <img src="/pictures/3.png">
 8 | 
 9 | <img src="/pictures/4.png">
10 | 
11 | <img src="/pictures/5.png">
12 | 
13 | <img src="/pictures/6.png">
14 | 
15 | <img src="/pictures/7.png">
16 | 


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/main.py:
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  1 | class SocialMedia:
  2 |     def __init__(self):
  3 |         self.name = None
  4 | 
  5 |     def give_name(self, name):
  6 |         self.name = name
  7 | 
  8 |     def get_name(self):
  9 |         return self.name
 10 | 
 11 | 
 12 | class Instagram(SocialMedia):
 13 |     def __init__(self):
 14 |         self.give_name("Instagram")
 15 |         self.user = []
 16 |         self.password = []
 17 |         self.post = [[None for _ in range(150)] for _ in range(50)]
 18 | 
 19 |     def sign_up(self):
 20 |         username = input("Please enter your username : ")
 21 |         password = input("Please enter your password : ")
 22 |         self.user.append(username)
 23 |         self.password.append(password)
 24 | 
 25 |     def check(self, username_, password_):
 26 |         for counter in range(len(self.user)):
 27 |             if username_ == self.user[counter] and password_ == self.password[counter]:
 28 |                 return True
 29 | 
 30 |     def give_user_num(self, username_):
 31 |         for counter in range(len(self.user)):
 32 |             if username_ == self.user[counter]:
 33 |                 return counter
 34 |         return -1
 35 | 
 36 |     def give_post_num(self, username_):
 37 |         num = self.give_user_num(username_)
 38 |         for counter2 in range(50):
 39 |             if self.post[num][counter2] is None:
 40 |                 return counter2
 41 |         return -1
 42 | 
 43 |     def publish_new_post(self):
 44 |         username = input("Please enter your username : ")
 45 |         password = input("Please enter your password : ")
 46 |         if self.check(username, password):
 47 |             post = input("You can write down your post : ")
 48 |             if len(post) < 2200:
 49 |                 row = self.give_user_num(username)
 50 |                 column = self.give_post_num(username)
 51 |                 self.post[row][column] = post
 52 |             else:
 53 |                 print("your post is too long!")
 54 |         else:
 55 |             print("your username or password is wrong!")
 56 | 
 57 |     def get_posts(self):
 58 |         username = input("Please enter your username : ")
 59 |         password = input("Please enter your password : ")
 60 |         if self.check(username, password):
 61 |             for counter in range(self.give_post_num(username)):
 62 |                 print(self.post[self.give_user_num(username)][counter])
 63 |         else:
 64 |             print("your username or password is wrong!")
 65 | 
 66 | 
 67 | class Twitter(SocialMedia):
 68 |     def __init__(self):
 69 |         self.give_name("Twitter")
 70 |         self.user = []
 71 |         self.password = []
 72 |         self.post = [[None for _ in range(150)] for _ in range(50)]
 73 | 
 74 |     def sign_up(self):
 75 |         username = input("Please enter your username : ")
 76 |         password = input("Please enter your password : ")
 77 |         self.user.append(username)
 78 |         self.password.append(password)
 79 | 
 80 |     def check(self, username_, password_):
 81 |         for counter in range(len(self.user)):
 82 |             if username_ == self.user[counter] and password_ == self.password[counter]:
 83 |                 return True
 84 | 
 85 |     def give_user_num(self, username_):
 86 |         for counter in range(len(self.user)):
 87 |             if username_ == self.user[counter]:
 88 |                 return counter
 89 |         return -1
 90 | 
 91 |     def give_post_num(self, username_):
 92 |         num = self.give_user_num(username_)
 93 |         for counter2 in range(50):
 94 |             if self.post[num][counter2] is None:
 95 |                 return counter2
 96 |         return -1
 97 | 
 98 |     def create_new_tweet(self):
 99 |         username = input("Please enter your username : ")
100 |         password = input("Please enter your password : ")
101 |         if self.check(username, password):
102 |             post = input("You can write down your post : ")
103 |             if len(post) < 280:
104 |                 row = self.give_user_num(username)
105 |                 column = self.give_post_num(username)
106 |                 self.post[row][column] = post
107 |             else:
108 |                 print("your post is too long!")
109 |         else:
110 |             print("your username or password is wrong!")
111 | 
112 |     def get_tweets(self):
113 |         username = input("Please enter your username : ")
114 |         password = input("Please enter your password : ")
115 |         if self.check(username, password):
116 |             for counter in range(self.give_post_num(username)):
117 |                 print(self.post[self.give_user_num(username)][counter])
118 |         else:
119 |             print("your username or password is wrong!")
120 | 
121 | 
122 | if __name__ == '__main__':
123 |     Insta = Instagram()
124 |     Twit = Twitter()
125 |     command = ""
126 |     command2 = ""
127 |     command3 = ""
128 |     while command != "3":
129 |         print("Please write command!")
130 |         print("1 to Open Instagram")
131 |         print("2 to Open Twitter")
132 |         print("3 to Exit")
133 |         print()
134 |         print()
135 |         print()
136 |         command = input()
137 |         if command == "1":
138 |             while command2 != "5":
139 |                 print("Please write command!")
140 |                 print("1 to publish new post")
141 |                 print("2 to get posts")
142 |                 print("3 to get app name")
143 |                 print("4 to sign up")
144 |                 print("5 to Exit")
145 |                 print()
146 |                 command2 = input()
147 |                 if command2 == "1":
148 |                     Insta.publish_new_post()
149 |                 if command2 == "2":
150 |                     Insta.get_posts()
151 |                 if command2 == "3":
152 |                     print(Insta.get_name())
153 |                 if command2 == "4":
154 |                     Insta.sign_up()
155 |                 if command2 == "5":
156 |                     command2 = "0"
157 |                     break
158 |         if command == "2":
159 |             while command3 != "5":
160 |                 print("Please write command!")
161 |                 print("1 to create new tweet")
162 |                 print("2 to get tweets")
163 |                 print("3 to get app name")
164 |                 print("4 to sign up")
165 |                 print("5 to Exit")
166 |                 print()
167 |                 command3 = input()
168 |                 if command3 == "1":
169 |                     Twit.create_new_tweet()
170 |                 if command3 == "2":
171 |                     Twit.get_tweets()
172 |                 if command3 == "3":
173 |                     print(Twit.get_name())
174 |                 if command3 == "4":
175 |                     Twit.sign_up()
176 |                 if command3 == "5":
177 |                     command3 = "0"
178 |                     break
179 |     


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/pictures/1.png:
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https://raw.githubusercontent.com/AsadiAhmad/Data-Base-Assignment-3/1e737c5fd3ce586d39ab536c4970570ca0173881/pictures/1.png


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/pictures/2.png:
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https://raw.githubusercontent.com/AsadiAhmad/Data-Base-Assignment-3/1e737c5fd3ce586d39ab536c4970570ca0173881/pictures/2.png


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/pictures/3.png:
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https://raw.githubusercontent.com/AsadiAhmad/Data-Base-Assignment-3/1e737c5fd3ce586d39ab536c4970570ca0173881/pictures/3.png


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/pictures/4.png:
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https://raw.githubusercontent.com/AsadiAhmad/Data-Base-Assignment-3/1e737c5fd3ce586d39ab536c4970570ca0173881/pictures/4.png


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/pictures/5.png:
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https://raw.githubusercontent.com/AsadiAhmad/Data-Base-Assignment-3/1e737c5fd3ce586d39ab536c4970570ca0173881/pictures/5.png


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/pictures/6.png:
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https://raw.githubusercontent.com/AsadiAhmad/Data-Base-Assignment-3/1e737c5fd3ce586d39ab536c4970570ca0173881/pictures/6.png


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/pictures/7.png:
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https://raw.githubusercontent.com/AsadiAhmad/Data-Base-Assignment-3/1e737c5fd3ce586d39ab536c4970570ca0173881/pictures/7.png


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