diff --git a/teens-program/day2/activity1.py b/teens-program/day2/activity1.py
index a424543..eaceb62 100644
--- a/teens-program/day2/activity1.py
+++ b/teens-program/day2/activity1.py
@@ -1,4 +1,7 @@
-# print(’hi’)
-# print (’hi’
-# print(’hi)
-# prin (’hi’)
\ No newline at end of file
+#print('hi')
+
+#print ('hi'
+
+#print('hi)
+
+#prin ('hi')
\ No newline at end of file
diff --git a/teens-program/day2/demo1.py b/teens-program/day2/demo1.py
index ee07cfc..b9c31fd 100644
--- a/teens-program/day2/demo1.py
+++ b/teens-program/day2/demo1.py
@@ -1,7 +1,12 @@
-x = 1
-y = 4
-sum = x + y
-print(sum)
+#x = 2
+#y = 4
+#sum = x + y
+#print(sum)
 
 name = 'Asmaa'
+
+print(name)
+print(name)
+print(name)
+print(name)
 print(name)
\ No newline at end of file
diff --git a/teens-program/day3/activity2.py b/teens-program/day3/activity2.py
index b651a77..87c8203 100644
--- a/teens-program/day3/activity2.py
+++ b/teens-program/day3/activity2.py
@@ -1,17 +1,7 @@
-weekend = True
-test_sunday = False
+number = 10
+# number = - 10
 
-if (weekend == True and test_sunday == False):
-    print('We will go out.')
-elif (weekend != True or test_sunday != False):
-    print('We will not go out.')
-
-# Extra
-# if (weekend == True and test_sunday == False):
-#     print('We will go out.')
-# elif (weekend != True and test_sunday == False):
-#     print('We will not go out; it is not the weekend.')
-# elif (weekend == True and test_sunday != False):
-#     print('We will not go out; you have a test on sunday.')
-# else:
-#     print('We will not go out; it is not the weekend and you have a test on sunday.')
\ No newline at end of file
+if (number > 0):
+    print('The number ', number,' is positive')
+else:
+    print('The number ', number,' is negative')
diff --git a/teens-program/day3/activity3.py b/teens-program/day3/activity3.py
index 5ee6c84..b651a77 100644
--- a/teens-program/day3/activity3.py
+++ b/teens-program/day3/activity3.py
@@ -1,13 +1,17 @@
-number = 10
+weekend = True
+test_sunday = False
 
-if (number > 0):
-    print('The number ', number,' is positive')
-else:
-    print('The number ', number,' is negative')
+if (weekend == True and test_sunday == False):
+    print('We will go out.')
+elif (weekend != True or test_sunday != False):
+    print('We will not go out.')
 
-'''number = -10
-
-if (number > 0):
-    print('The number ', number,' is positive')
-else:
-    print('The number ', number,' is negative')'''
\ No newline at end of file
+# Extra
+# if (weekend == True and test_sunday == False):
+#     print('We will go out.')
+# elif (weekend != True and test_sunday == False):
+#     print('We will not go out; it is not the weekend.')
+# elif (weekend == True and test_sunday != False):
+#     print('We will not go out; you have a test on sunday.')
+# else:
+#     print('We will not go out; it is not the weekend and you have a test on sunday.')
\ No newline at end of file
diff --git a/teens-program/day3/activity5.py b/teens-program/day3/activity5.py
index 415a986..e3a4d14 100644
--- a/teens-program/day3/activity5.py
+++ b/teens-program/day3/activity5.py
@@ -1,5 +1,3 @@
 fav_numbers = [2, 4, 5, 7, 3]
 
-sum = fav_numbers[0] + fav_numbers[1] + fav_numbers[2] + fav_numbers[3] + fav_numbers[4]
-
-print(sum)
\ No newline at end of file
+print(fav_numbers)
\ No newline at end of file
diff --git a/teens-program/day3/activity6.py b/teens-program/day3/activity6.py
new file mode 100644
index 0000000..c3b0cfc
--- /dev/null
+++ b/teens-program/day3/activity6.py
@@ -0,0 +1,5 @@
+fav_numbers = [2, 4, 5, 7, 3]
+
+big_number = fav_numbers[3]
+
+print(big_number)
\ No newline at end of file
diff --git a/teens-program/day3/challenge1.py b/teens-program/day3/challenge1.py
index 5e0becb..8a814be 100644
--- a/teens-program/day3/challenge1.py
+++ b/teens-program/day3/challenge1.py
@@ -1,21 +1,8 @@
-hot = True
-moderate = False
-cold = False
-
-soup = False
-watermelon = False
-pizza = False
-
-if hot:
-    watermelon = True
-
-elif moderate:
-    pizza = True
-
-
-elif cold:
-    soup = True
-
-print("soup:", soup)
-print("watermelon:", watermelon)
-print("pizza:", pizza)
+number = 10
+
+if (number > 0):
+    print('The number is positive')
+elif(number == 0):
+    print('The number is zero')
+else:
+    print('The number is negative')
\ No newline at end of file
diff --git a/teens-program/day3/challenge2.py b/teens-program/day3/challenge2.py
index e3a4d14..b2c1266 100644
--- a/teens-program/day3/challenge2.py
+++ b/teens-program/day3/challenge2.py
@@ -1,3 +1,20 @@
-fav_numbers = [2, 4, 5, 7, 3]
+hot = True
+moderate = False
+cold = False
 
-print(fav_numbers)
\ No newline at end of file
+soup = False
+watermelon = False
+pizza = False
+
+if hot:
+    watermelon = True
+
+elif moderate:
+    pizza = True
+
+elif cold:
+    soup = True
+
+print("soup:", soup)
+print("watermelon:", watermelon)
+print("pizza:", pizza)
diff --git a/teens-program/day3/challenge3.py b/teens-program/day3/challenge3.py
index c3b0cfc..415a986 100644
--- a/teens-program/day3/challenge3.py
+++ b/teens-program/day3/challenge3.py
@@ -1,5 +1,5 @@
 fav_numbers = [2, 4, 5, 7, 3]
 
-big_number = fav_numbers[3]
+sum = fav_numbers[0] + fav_numbers[1] + fav_numbers[2] + fav_numbers[3] + fav_numbers[4]
 
-print(big_number)
\ No newline at end of file
+print(sum)
\ No newline at end of file
diff --git a/teens-program/day3/demo2.py b/teens-program/day3/demo2.py
index 762edd4..054c00c 100644
--- a/teens-program/day3/demo2.py
+++ b/teens-program/day3/demo2.py
@@ -1,5 +1,5 @@
-fruits = ['apple', 'banana', 'orange', 'mango']
+hello_world = "hello" + " " + "world"
+print(hello_world)
 
-my_favourite_fruit = fruits[1]
-
-print(my_favourite_fruit)
\ No newline at end of file
+lots_of_hellos = "hello" * 3
+print(lots_of_hellos)
\ No newline at end of file
diff --git a/teens-program/day3/demo3.py b/teens-program/day3/demo3.py
new file mode 100644
index 0000000..3c362cf
--- /dev/null
+++ b/teens-program/day3/demo3.py
@@ -0,0 +1,5 @@
+allergy = False
+
+if (allergy == False):
+    print('add nuts.')
+print('make it into small balls.')
diff --git a/teens-program/day3/demo4.py b/teens-program/day3/demo4.py
new file mode 100644
index 0000000..762edd4
--- /dev/null
+++ b/teens-program/day3/demo4.py
@@ -0,0 +1,5 @@
+fruits = ['apple', 'banana', 'orange', 'mango']
+
+my_favourite_fruit = fruits[1]
+
+print(my_favourite_fruit)
\ No newline at end of file
diff --git a/teens-program/day3/hints/activity3.py b/teens-program/day3/hints/activity3.py
new file mode 100644
index 0000000..f67d883
--- /dev/null
+++ b/teens-program/day3/hints/activity3.py
@@ -0,0 +1,12 @@
+# Activity: Print the result of the student based on his/her score
+
+# Use the following code to take an input from the user and determine the result
+
+# TODO: Take a user input asking about the score. Note: the user input is a string
+grade =
+
+# TODO: Write "if condition" based on the score
+if ():
+    print('Congrats, you succeed!')
+else:
+    print('Sorry, you failed')
\ No newline at end of file
diff --git a/teens-program/day3/hints/challenge1.py b/teens-program/day3/hints/challenge1.py
new file mode 100644
index 0000000..54e4ad7
--- /dev/null
+++ b/teens-program/day3/hints/challenge1.py
@@ -0,0 +1,14 @@
+# Challenge: determint whether the number is positive, negative, or zero
+
+# Use the following code to determine if the number is positive, negative, or zero
+
+number = 10
+
+if (number > 0):
+    print('The number is positive')
+# TODO: Write the condition between () اكتبي الشرط بين
+elif():
+    # TODO: print a sentence that says "The number is zero"
+    print('')
+else:
+    print('The number is negative')
\ No newline at end of file
diff --git a/teens-program/day3/hints/challenge2 b/teens-program/day3/hints/challenge2
new file mode 100644
index 0000000..155524e
--- /dev/null
+++ b/teens-program/day3/hints/challenge2
@@ -0,0 +1,27 @@
+# Challenge: Recommend a meal based on the weather
+
+# Use the following code to determine what meal to Recommend
+
+hot = True
+moderate = False
+cold = False
+
+soup = False
+watermelon = False
+pizza = False
+
+# TODO: Write "if condition" for watermelon
+if hot:
+    watermelon = True
+
+# TODO: Write "elif condition" for pizza
+elif moderate:
+    pizza = True
+
+# TODO: Write "elif condition" for soup
+elif cold:
+    soup = True
+
+print("soup:", soup)
+print("watermelon:", watermelon)
+print("pizza:", pizza)
diff --git a/teens-program/day3/hints/mix.py b/teens-program/day3/hints/mix.py
new file mode 100644
index 0000000..2e4c87e
--- /dev/null
+++ b/teens-program/day3/hints/mix.py
@@ -0,0 +1,20 @@
+# Activity: Write your favorite numbers in a list
+# Activity: Print the biggest number in the list using indexing
+# Challenge: Print the sum of the numbers in the list using indexing
+
+# Use the following code to write your favorite numbers in a list, print the biggest number, sum of the numbers using indexing
+
+# TODO: Write your favorite numbers in a list
+fav_numbers =
+
+print('The list of my favorite numbers: ' + str(fav_numbers))
+
+# TODO: Print the biggest number using indexing
+biggest_number =
+
+print('The biggest number in the list is: ' + str(biggest_number))
+
+# TODO: Sum the numbers using indexing
+sum =
+
+print('The sume of the numbers is: ' + str(sum))
\ No newline at end of file
diff --git a/teens-program/day4/activity1.py b/teens-program/day4/activity1.py
new file mode 100644
index 0000000..098657b
--- /dev/null
+++ b/teens-program/day4/activity1.py
@@ -0,0 +1,10 @@
+ages = [14, 15, 14, 16, 17, 19, 18]
+n = 7
+sum = 0
+
+for i in ages:
+    sum = sum + i
+
+average = sum / n
+
+print(average)
\ No newline at end of file
diff --git a/teens-program/day4/challenge1.py b/teens-program/day4/challenge1.py
new file mode 100644
index 0000000..c80083a
--- /dev/null
+++ b/teens-program/day4/challenge1.py
@@ -0,0 +1,4 @@
+num = [1, 4, 7, 8, 11]
+
+for i in num:
+    print(i*2)
\ No newline at end of file
diff --git a/teens-program/day4/challenge2.py b/teens-program/day4/challenge2.py
new file mode 100644
index 0000000..3a8a6ae
--- /dev/null
+++ b/teens-program/day4/challenge2.py
@@ -0,0 +1,29 @@
+# Rolling the dice
+# Auther:
+
+import random
+import time
+
+def printDice(num):
+    time.sleep(2)
+    print("*****")
+    print("* " + str(num) + " *")
+    print("*****")
+    print()
+
+min = 1
+max = 6
+
+roll = "yes"
+
+#TODO: write the while condititons
+while :
+    #TODO: take user input for number of rolls
+    numberOfdices =
+    print("Rolling the dices ...")
+
+    #TODO: write the for loop
+    for :
+        printDice(random.randint(min,max))
+    #TODO: take user input for new rolling
+    roll =
\ No newline at end of file
diff --git a/teens-program/day4/challenge2_instructor.py b/teens-program/day4/challenge2_instructor.py
new file mode 100644
index 0000000..26b2aa4
--- /dev/null
+++ b/teens-program/day4/challenge2_instructor.py
@@ -0,0 +1,25 @@
+# Rolling the dice
+# Auther: Asmaa Alsaggaf
+
+import random
+import time
+
+def printDice(num):
+    time.sleep(2)
+    print("*****")
+    print("* " + str(num) + " *")
+    print("*****")
+    print()
+
+min = 1
+max = 6
+
+roll = "yes"
+
+while roll.lower() == "yes" or roll.lower() == "y":
+    numberOfdices = int(input('How many dices you want to roll? '))
+    if numberOfdices != 0:
+        print("Rolling the dices ...")
+        for dice in range(numberOfdices):
+            printDice(random.randint(min,max))
+    roll = input('Do you want to roll again? (yes/no) ')
\ No newline at end of file
diff --git a/teens-program/day4/challenge3.py b/teens-program/day4/challenge3.py
new file mode 100644
index 0000000..3ea23bb
--- /dev/null
+++ b/teens-program/day4/challenge3.py
@@ -0,0 +1,33 @@
+# Guess the number
+# Auther:
+
+import random
+
+play = "yes"
+count = 0
+
+#TODO: write the while condititons
+while :
+    # TODO: take user input for number of rounds
+    numberOfrounds = int(input('How many rounds you want to play? '))
+
+
+    if numberOfrounds != 0:
+
+        # TODO: write the for loop
+        for :
+            print("******** Round: " + str(round+1) + " ********")
+            user = int(input("Choose number between 1 and 5: "))
+            computer = random.randint(1,5)
+            print("Computer: ", computer)
+            print("User: ", user)
+
+            # TODO: write if condition
+            if :
+                # TODO: add 1 to the count
+                count = count + 1
+
+        print("You Won " + str(count) + " times!")
+
+    # TODO: take user input for new game
+    play =
\ No newline at end of file
diff --git a/teens-program/day4/challenge3_instructor.py b/teens-program/day4/challenge3_instructor.py
new file mode 100644
index 0000000..f7baa66
--- /dev/null
+++ b/teens-program/day4/challenge3_instructor.py
@@ -0,0 +1,22 @@
+# Guess the number
+# Auther: Asmaa Alsaggaf
+
+import random
+
+play = "yes"
+count = 0
+
+while play.lower() == "yes" or play.lower() == "y":
+    numberOfrounds = int(input('How many rounds you want to play? '))
+    if numberOfrounds != 0:
+        for round in range(numberOfrounds):
+            print("******** Round: " + str(round+1) + " ********")
+            user = int(input("Choose number between 1 and 5: "))
+            computer = random.randint(1,5)
+            print("Computer: ", computer)
+            print("User: ", user)
+            if(user == computer):
+                count = count + 1
+
+        print("You Won " + str(count) + " times!")
+    play = input('Do you want to play again? (yes/no) ')
\ No newline at end of file
diff --git a/teens-program/day4/challenge4_instructor.py b/teens-program/day4/challenge4_instructor.py
new file mode 100644
index 0000000..47a39bb
--- /dev/null
+++ b/teens-program/day4/challenge4_instructor.py
@@ -0,0 +1,22 @@
+# Rock, paper, scissors
+# Auther: Asmaa Alsaggaf
+
+import random
+
+def computer_turn():
+    RPS = ["rock", "paper", "scissors"]
+    return RPS[random.randint(0,2)]
+
+play = "yes"
+
+while play.lower() == "yes" or play.lower() == "y":
+    numberOfrounds = int(input('How many rounds you want to play? '))
+    if numberOfrounds != 0:
+        print("Rolling the dices ...")
+        for round in range(numberOfrounds):
+            user = input("Type rock, paper, or scissors: ")
+            computer = computer_turn()
+            if((user.lower() == "rock" and computer.lower == "paper") or
+                (user.lower() == "rock" and computer.lower == "paper") or
+                (user.lower() == "rock" and computer.lower == "paper"))
+    play = input('Do you want to play again? (yes/no) ')
\ No newline at end of file
diff --git a/teens-program/day4/demo1.py b/teens-program/day4/demo1.py
new file mode 100644
index 0000000..10872b1
--- /dev/null
+++ b/teens-program/day4/demo1.py
@@ -0,0 +1,5 @@
+import random
+
+num = random.randint(0, 10)
+
+print(num)
\ No newline at end of file
diff --git a/teens-program/day4/demo2.py b/teens-program/day4/demo2.py
new file mode 100644
index 0000000..030b5f6
--- /dev/null
+++ b/teens-program/day4/demo2.py
@@ -0,0 +1,9 @@
+def my_function(name):
+	print("Hello " + name)
+
+def add_five(x):
+      return x+5
+
+# --------------------------------
+
+my_function("Sara")
\ No newline at end of file
diff --git a/teens-program/day4/demo3.py b/teens-program/day4/demo3.py
new file mode 100644
index 0000000..e877bd9
--- /dev/null
+++ b/teens-program/day4/demo3.py
@@ -0,0 +1,10 @@
+def my_function(name):
+	print("Hello " + name)
+
+def add_five(x):
+      return x+5
+
+# --------------------------------
+
+num = add_five(10)
+print(num)
\ No newline at end of file
diff --git a/teens-program/day4/demo4.py b/teens-program/day4/demo4.py
new file mode 100644
index 0000000..7fc8276
--- /dev/null
+++ b/teens-program/day4/demo4.py
@@ -0,0 +1,10 @@
+# using for loop
+for i in range(1,11):
+    print(i*7)
+
+# using while loop
+x = 1
+
+while x <= 10:
+    print(x*7)
+    x = x + 1
\ No newline at end of file
diff --git a/teens-program/day4/demo5.py b/teens-program/day4/demo5.py
new file mode 100644
index 0000000..1f36acd
--- /dev/null
+++ b/teens-program/day4/demo5.py
@@ -0,0 +1,4 @@
+x = 1
+
+while x <= 10:
+    print(x*7)
\ No newline at end of file