diff --git a/Assignment2.py b/Assignment2.py
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+++ b/Assignment2.py
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+
+# Assignment 2
+''' this program accepts a hyphen-separated sequence of words as input and prints them
+ after sorting them alphabetically '''
+
+words = input(("Enter the words separated by a hyphen as a list: "))# asking to give the words in the sequence
+words_list = words.split('-')                                        # put the words in a list
+words_list.sort()                                                   # Sorting the words
+result = '-'.join(words_list)                                       # Joining the words with a hyphen
+print("the words after sorting them alphabetically: " + result)     # Printing the output
diff --git a/Assignment3.py b/Assignment3.py
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+++ b/Assignment3.py
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+# # Assignment 3
+''' this function is used to check whether a number is perfect or not '''
+def perf_num(n):
+  sum = 0
+  for i in range(1, n):              # the number n is not included
+    if(n % i == 0):
+        sum += i
+  return sum == n
+
+# asking to give a number to check
+n = int(input("Please enter a number: "))
+if perf_num(n):
+    print(f" {n} is a perfect number!")
+else:
+    print(f" {n} is not a perfect number!")
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diff --git a/Assignment4.py b/Assignment4.py
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+++ b/Assignment4.py
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+# # Assignment 4
+''' this program composes a random password '''
+import random
+import string
+
+def random_password(length):
+    items = string.ascii_letters + string.digits + string.punctuation # upper & lowercase letters , numbers and special symbols
+    password = ''.join(random.choice(items) for i in range(length))     # generating the password from the random choices
+    print("here is your random password :", password)
+# # examples
+random_password(8)
+random_password(10)
diff --git a/bonus.py b/bonus.py
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+++ b/bonus.py
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+#  Bonus 2
+my_list = [1, 5, 4, 6, 8, 11, 3, 12]
+even_list = list(filter(lambda x: (x%2 == 0) , my_list)) # using lambda to filter even numbers
+print("the even numbers in the list are: ")
+print(even_list)
+odd_list = list(filter(lambda x: (x%2 != 0) , my_list)) # using lambda to filter odd numbers
+print("the odd numbers in the list are: ")
+print(odd_list)
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