diff --git a/question1.py b/question1.py
new file mode 100644
index 0000000..876df4a
--- /dev/null
+++ b/question1.py
@@ -0,0 +1,15 @@
+num = int(input("Enter the number of the elements of the list: "))
+k = int(input('Enter how many shifts you want? '
+      '\nA positive number for right shifting and a negative number for left shifting: '))
+
+my_list = (list(range(num)))
+print(my_list)
+
+if k > 0: #right shift
+    for i in range(k):
+        my_list.insert(0,my_list.pop())
+elif k < 0: #left shift
+    for i in range(abs(k)):
+        my_list.append(my_list.pop(0))
+
+print(my_list)
\ No newline at end of file
diff --git a/question2.py b/question2.py
new file mode 100644
index 0000000..b0391a9
--- /dev/null
+++ b/question2.py
@@ -0,0 +1,14 @@
+alphabet = "abcdefghijklmnopqrstuvwxyz"
+
+sentence = input("Enter a sentence please: ").lower().strip()
+
+result = {}
+for letter in sentence:
+    if letter in  alphabet:
+        if letter in result.keys():
+            result[letter] += 1
+        else:
+            result[letter] = 1
+
+
+print([item for item in sorted(result.items())])
\ No newline at end of file
diff --git a/question3.py b/question3.py
new file mode 100644
index 0000000..0546f2d
--- /dev/null
+++ b/question3.py
@@ -0,0 +1,13 @@
+import re
+
+first = input("Enter the first word: ").lower().strip()
+first = set(re.sub(r'[^\w\s]', '', first).replace(" ", ""))#remove the punctuations and blanks from the first word
+second = input("Enter the second word: ").lower().strip()
+second = set(re.sub(r'[^\w\s]', '', second).replace(" ", "")) #remove the punctuations and blanks from the second word
+
+inters = first & second
+f_diff = first - second
+s_diff = second - first
+
+print([''.join(inters), ''.join(f_diff), ''.join(s_diff)])
+
diff --git a/question4.py b/question4.py
new file mode 100644
index 0000000..7ccbc2d
--- /dev/null
+++ b/question4.py
@@ -0,0 +1,19 @@
+def palindrome_prime(a,b,c):
+    first = 1
+    max_value = a * b * c
+  
+    for i in range(first,int(max_value)):
+        if (str(i) == str(i)[::-1]): #checks if it is palindromical
+            if(i>2):
+                for j in range(2,i):
+                    is_prime = True
+                    if (i%j==0):
+                        is_prime = False
+                        break 
+                if is_prime:
+                    max_prime = i
+        
+    print(f"the nearest palindromical prime number less than {max_value} is ",max_prime)
+
+
+