diff --git a/bullcowgame.py b/bullcowgame.py
new file mode 100644
index 0000000..99add60
--- /dev/null
+++ b/bullcowgame.py
@@ -0,0 +1,60 @@
+import random as rand
+import emoji as emo
+
+emo_cow = emo.emojize(emo.demojize('🐄'))
+emo_bull = emo.emojize(emo.demojize('🐂'))
+print('\n\033[1m' + ' --: Welcome to Cows (', emo_cow, ') and Bulls (', emo_bull, ') game :--' + '\033[0m')
+
+rand_num = rand.randrange(1000, 9999, 1)
+rand_num_list = list(str(rand_num).replace("", ""))
+
+trial = 0
+error_dig = 0
+error_let = 0
+
+while True:
+    user_num = input('Guess the 4 digit number : ')
+    user_num_list = list(str(user_num).replace("", ""))
+
+    def if_contain_letter(x):
+        for ele in x:
+            if ele.isalpha():
+                con = True
+            else:
+                con = False
+        return con
+
+    if len(user_num_list) != 4:
+        print(' DIGIT no. Error : \n Your entered number does not contain 4 digits')
+        error_dig += 1
+        if error_dig > 3:
+            print('*) WARNING !! What are you doing ? Too much errors ! Be careful !')
+
+    if if_contain_letter(user_num_list):
+        print('DIGIT type Error :\n inputted number contains letter ')
+        error_let += 1
+
+    if not if_contain_letter(user_num_list):
+        if len(user_num_list) == 4:
+            a = []
+            b = []
+
+            for i in range(len(user_num_list)):
+                if rand_num_list[i] == user_num_list[i]:
+                    a.append(user_num_list[i])
+
+                if rand_num_list[i] != user_num_list[i]:
+                    if user_num_list[i] in rand_num_list:
+                        b.append(user_num_list[i])
+
+            num_of_cow = len(a)
+            num_of_bull = len(b)
+            print(num_of_cow, ' cow (', emo_cow, ')')
+            print(num_of_bull, ' bull (', emo_bull, ')')
+            trial += 1
+
+    if str(user_num) == str(rand_num):
+        print('\n\033[1m' + '### Congratulations! , Well played ###' + '\033[0m')
+        print('Trials = ', trial)
+        print('Errors = ', error_dig + error_let)
+        break
diff --git a/c.py b/c.py
new file mode 100644
index 0000000..85a3502
--- /dev/null
+++ b/c.py
@@ -0,0 +1,29 @@
+def isVowel(c):
+    return (c == 'A' or c == 'E' or c == 'I' or
+            c == 'O' or c == 'U' or c == 'a' or
+            c == 'e' or c == 'i' or c == 'o' or
+            c == 'u');
+ 
+ 
+def pigLatin(s):
+ 
+    
+    length = len(s);
+    index = -1;
+    for i in range(length):
+        if (isVowel(s[i])):
+            index = i;
+            break;
+ 
+   
+    if (index == -1):
+        return "-1";
+ 
+  
+    return s[index:] + s[0:index] + "ay";
+ 
+str = pigLatin("graphic");
+if (str == "-1"):
+    print("No vowels found. Pig Latin not possible");
+else:
+    print(str);
\ No newline at end of file
diff --git a/calc.py b/calc.py
new file mode 100644
index 0000000..d335840
--- /dev/null
+++ b/calc.py
@@ -0,0 +1,32 @@
+opt = int(input("enter the option you want to perform : 1.addition 2.multiplication"))
+if opt==1:
+    s=0
+    n=int(input("enter how many times you want to sum up :"))
+    print("enter",n,"numbers : ")
+    for i in range(0,n):
+        a=int(input("enter the number"))
+        s=s+a
+    print("the result is : ",s)
+
+elif opt==2:
+    m=1
+    n1=int(input("how many times you want to multiply : "))
+    print("enter",n1,"numbers :")
+    for i in range(0,n1):
+        
+        b=int(input("enter the number :"))
+        m=m*b
+    print("the result is :",m)
+elif opt==3:
+    n2=int(input("how many times you want to substract :"))
+    print("enter", n2 ,"numbers: ")
+    a=int(input("enter the 1st number"))
+    b=int(input("enter the 2nd number"))
+    #c=(a-b)
+    d=(n2-2)
+    print("you have to enter ", d, "numbers more")
+    for i in range(0,d):
+        c=(a-b)
+        e=int(input("enter the number : "))
+        f=c-e
+        print("the result is :", f)
\ No newline at end of file
diff --git a/checkconnection.py b/checkconnection.py
new file mode 100644
index 0000000..88b9b16
--- /dev/null
+++ b/checkconnection.py
@@ -0,0 +1,11 @@
+from urllib.request import urlopen   ##importing necessary library this library contains all the modules for url status checking
+
+name=input("enter your name:")    ## entering the user name
+
+def status():          ## defining the function to check the status
+    try:
+        urlopen("https://www.youtube.com/",timeout=1)    ## if the url is openable then user is connected 
+        print(name,"you are connected to internet")
+    except:
+        print(name,"you are not connected to internet")   ## otherwise not connected
+status()   ## calling the status function
\ No newline at end of file
diff --git a/client-chat.py b/client-chat.py
new file mode 100644
index 0000000..bdfe862
--- /dev/null
+++ b/client-chat.py
@@ -0,0 +1,38 @@
+import socket 
+import select 
+import sys 
+  
+server = socket.socket(socket.AF_INET, socket.SOCK_STREAM) 
+if len(sys.argv) != 3: 
+    print ("Correct usage: script, IP address, port number")
+    exit() 
+IP_address = str(sys.argv[1]) 
+Port = int(sys.argv[2]) 
+server.connect((IP_address, Port)) 
+  
+while True: 
+  
+    # maintains a list of possible input streams 
+    sockets_list = [sys.stdin, server] 
+  
+    """ There are two possible input situations. Either the 
+    user wants to give  manual input to send to other people, 
+    or the server is sending a message  to be printed on the 
+    screen. Select returns from sockets_list, the stream that 
+    is reader for input. So for example, if the server wants 
+    to send a message, then the if condition will hold true 
+    below.If the user wants to send a message, the else 
+    condition will evaluate as true"""
+    read_sockets,write_socket, error_socket = select.select(sockets_list,[],[]) 
+  
+    for socks in read_sockets: 
+        if socks == server: 
+            message = socks.recv(2048) 
+            print (message) 
+        else: 
+            message = sys.stdin.readline() 
+            server.send(message) 
+            sys.stdout.write("<You>") 
+            sys.stdout.write(message) 
+            sys.stdout.flush() 
+server.close() 
\ No newline at end of file
diff --git a/multiplication.py b/multiplication.py
new file mode 100644
index 0000000..0b507a5
--- /dev/null
+++ b/multiplication.py
@@ -0,0 +1,3 @@
+n=int(input("Multiplication Table of:"))
+for i in range(1,10+1):
+    print("{} X {} = {}".format(i,n,i*n))
\ No newline at end of file
diff --git a/sum of oddno.py b/sum of oddno.py
new file mode 100644
index 0000000..0d9163c
--- /dev/null
+++ b/sum of oddno.py	
@@ -0,0 +1,5 @@
+n=int(input("Enter n value:"))
+sum=0
+for i in range(1,n+1,2):
+    sum+=i
+print(sum)
\ No newline at end of file