diff --git a/Week 1/SET 14 -Week 1/ques1.py b/Week 1/SET 14 -Week 1/ques1.py
new file mode 100644
index 0000000..c41ff09
--- /dev/null
+++ b/Week 1/SET 14 -Week 1/ques1.py	
@@ -0,0 +1,8 @@
+n = int(input())
+
+for i in range(1,n+1) :
+    if i%5==0:
+        continue
+    if i*i == n:
+        break
+    print(i)
\ No newline at end of file
diff --git a/Week 1/SET 14 -Week 1/ques2.py b/Week 1/SET 14 -Week 1/ques2.py
new file mode 100644
index 0000000..57aebdd
--- /dev/null
+++ b/Week 1/SET 14 -Week 1/ques2.py	
@@ -0,0 +1,25 @@
+def encrypt(text,s): 
+    result = "" 
+
+    for i in range(len(text)): 
+        char = text[i] 
+
+        if (char.isupper()): 
+            result += chr((ord(char) + s-65) % 26 + 65) 
+
+        else: 
+            result += chr((ord(char) + s - 97) % 26 + 97) 
+  
+    return result 
+  
+#check the above function 
+text = input()
+s = int(input())
+print("OLD SENTENCE IS : ")
+print(text)
+
+words = text.split()
+
+print("NEW SENTENCE IS : ")
+for i in words:
+    print(encrypt(i,s),end=" ")
diff --git a/Week 1/SET 14 -Week 1/ques3.py b/Week 1/SET 14 -Week 1/ques3.py
new file mode 100644
index 0000000..49dcd81
--- /dev/null
+++ b/Week 1/SET 14 -Week 1/ques3.py	
@@ -0,0 +1,8 @@
+def modify(s):
+    if s[0].isupper() ==True:
+        print(s.upper())
+    else:
+        print(s.lower())
+
+s = input()
+modify(s)
\ No newline at end of file
diff --git a/Week 1/SET 14 -Week 1/ques4.py b/Week 1/SET 14 -Week 1/ques4.py
new file mode 100644
index 0000000..7cdcad1
--- /dev/null
+++ b/Week 1/SET 14 -Week 1/ques4.py	
@@ -0,0 +1,10 @@
+def sumofDigits(n):
+    sum = 0
+    for digit in str(n):   
+        sum += int(digit)        
+    print(sum)
+
+n =input()
+sumofDigits(n)
+
+
diff --git a/Week 1/SET 14 -Week 1/ques5.py b/Week 1/SET 14 -Week 1/ques5.py
new file mode 100644
index 0000000..e356246
--- /dev/null
+++ b/Week 1/SET 14 -Week 1/ques5.py	
@@ -0,0 +1,26 @@
+def MaxZero(ar,n) :
+    l=[int(x) for x in ar.split()]
+    z=0
+    maxz=0
+    maxval=0
+    for x in l:
+        s=str(x)
+        no=[int(y) for y in s]
+        z=no.count(0)
+        if maxz<z:
+            maxz=z
+            maxval=x
+        elif maxz==z and maxz!=0:
+            maxval=max(maxval,x)
+        del no
+    if maxz==0:
+        print(-1)
+    else:
+        print(maxval)
+
+n=int(input())
+ar=input()
+MaxZero(ar,n)
+
+
+
diff --git a/Week 2/SET 14 -Week 2/ques1.py b/Week 2/SET 14 -Week 2/ques1.py
new file mode 100644
index 0000000..f9be90a
--- /dev/null
+++ b/Week 2/SET 14 -Week 2/ques1.py	
@@ -0,0 +1,13 @@
+def ispangram(str): 
+    alphabet = "abcdefghijklmnopqrstuvwxyz"
+    for char in alphabet: 
+        if char not in str.lower(): 
+            return False
+  
+    return True
+
+str = input("enter a sentence :\n ")
+if ispangram(str):
+    print('contains all alphabets')
+else:
+    print('does not contain all alphabets')
diff --git a/Week 2/SET 14 -Week 2/ques2.py b/Week 2/SET 14 -Week 2/ques2.py
new file mode 100644
index 0000000..eedea0a
--- /dev/null
+++ b/Week 2/SET 14 -Week 2/ques2.py	
@@ -0,0 +1,8 @@
+arr = tuple(map(int,input().split()))
+
+adderp = sum(list(filter(lambda x: (x>= 0) , arr)))
+addernp = sum(list(filter(lambda x: (x<0) , arr)))
+
+print(adderp)
+print(addernp)
+
diff --git a/Week 2/SET 14 -Week 2/ques3.py b/Week 2/SET 14 -Week 2/ques3.py
new file mode 100644
index 0000000..4e717e0
--- /dev/null
+++ b/Week 2/SET 14 -Week 2/ques3.py	
@@ -0,0 +1,3 @@
+arr = [int(x) for x in input().split()]
+test_list = list(set(arr)) 
+print(test_list)
\ No newline at end of file
diff --git a/Week 2/SET 14 -Week 2/ques4.py b/Week 2/SET 14 -Week 2/ques4.py
new file mode 100644
index 0000000..55ef6c6
--- /dev/null
+++ b/Week 2/SET 14 -Week 2/ques4.py	
@@ -0,0 +1,8 @@
+tuple1 = tuple(map(int,input().split()))
+tuple2 = tuple(map(int,input().split()))
+tuple3 = tuple(map(int,input().split()))
+
+adder = tuple(map(lambda x, y, z: (x + y + z)//3, tuple1, tuple2, tuple3))
+
+print(adder)
+
diff --git a/Week 2/SET 14 -Week 2/ques5.py b/Week 2/SET 14 -Week 2/ques5.py
new file mode 100644
index 0000000..6f8f880
--- /dev/null
+++ b/Week 2/SET 14 -Week 2/ques5.py	
@@ -0,0 +1,8 @@
+my_dict = {1:'Apple', 2:'Oracle',3:'Advanced Programming Practice',4:'Software Project Management', 5:'Fundamentals of mathematics'}
+
+for x in range(1,6):
+    #print(my_dict[i])
+    test_str = my_dict[x]
+    res = {i : test_str.count(i) for i in set(test_str)}  
+    print(res)
+
diff --git a/Week 3/SET 14 -Week 3/ques1.py b/Week 3/SET 14 -Week 3/ques1.py
new file mode 100644
index 0000000..55a8c7c
--- /dev/null
+++ b/Week 3/SET 14 -Week 3/ques1.py	
@@ -0,0 +1,19 @@
+class ques1:
+
+   def __init__(self):
+       pass
+
+   def twoSum(self, nums, target):
+        lookup = {}
+        for i, num in enumerate(nums):
+            if target - num in lookup:
+                return (lookup[target - num], i )
+            lookup[num] = i
+
+arr = [int(x) for x in input().split()]   
+target = int(input())  
+obj = ques1()
+index1,index2 = obj.twoSum(arr, target)     
+print (index1 + 1)
+print (index2 + 1)  
+#print("index1=%d, index2=%d" % py_solution().twoSum((10,20,10,40,50,60,70),50))
diff --git a/Week 3/SET 14 -Week 3/ques2.py b/Week 3/SET 14 -Week 3/ques2.py
new file mode 100644
index 0000000..5726299
--- /dev/null
+++ b/Week 3/SET 14 -Week 3/ques2.py	
@@ -0,0 +1,16 @@
+class ques2:
+
+    def __init__(self):
+        pass
+
+    def _getString(self):
+        s = input()
+        return s
+        
+    def _printString(self,s):
+        print(s.upper())
+
+obj =  ques2()
+s = obj._getString()
+obj._printString(s)
+        
\ No newline at end of file
diff --git a/Week 3/SET 14 -Week 3/ques3.py b/Week 3/SET 14 -Week 3/ques3.py
new file mode 100644
index 0000000..d1875a9
--- /dev/null
+++ b/Week 3/SET 14 -Week 3/ques3.py	
@@ -0,0 +1,13 @@
+class ques3():
+    
+    def __init__(self, l, w):
+        self.length = l
+        self.width  = w
+
+    def rectangle_area(self):
+        return self.length*self.width
+
+l = int(input())
+w = int(input())
+obj = ques3(l,w)
+print(obj.rectangle_area())
diff --git a/Week 3/SET 14 -Week 3/ques4.py b/Week 3/SET 14 -Week 3/ques4.py
new file mode 100644
index 0000000..fabb87a
--- /dev/null
+++ b/Week 3/SET 14 -Week 3/ques4.py	
@@ -0,0 +1,17 @@
+class ques4:
+   def __init__(self) -> None:
+       pass
+
+   def is_valid_parenthese(self, str1):
+        stack, pchar = [], {"(": ")", "{": "}", "[": "]"}
+        for parenthese in str1:
+            if parenthese in pchar:
+                stack.append(parenthese)
+            elif len(stack) == 0 or pchar[stack.pop()] != parenthese:
+                return False
+        return len(stack) == 0
+
+obj = ques4()
+s = input()
+ans = obj.is_valid_parenthese(s)
+print(ans)
\ No newline at end of file
diff --git a/Week 3/SET 14 -Week 3/ques5.py b/Week 3/SET 14 -Week 3/ques5.py
new file mode 100644
index 0000000..124cd5c
--- /dev/null
+++ b/Week 3/SET 14 -Week 3/ques5.py	
@@ -0,0 +1,14 @@
+class ques5:
+    def sub_sets(self, sset):
+        return self.subsetsRecur([], sorted(sset))
+    
+    def subsetsRecur(self, current, sset):
+        if sset:
+            return self.subsetsRecur(current, sset[1:]) + self.subsetsRecur(current + [sset[0]], sset[1:])
+        return [current]
+
+obj = ques5()
+arr = [int(x) for x in input().split()]   
+ans = obj.sub_sets(arr)
+print(ans)
+