diff --git a/Week03_Hw4.py b/Week03_Hw4.py
new file mode 100644
index 0000000..7ec03a6
--- /dev/null
+++ b/Week03_Hw4.py
@@ -0,0 +1,23 @@
+
+## 4-unique_list.py
+##Write a function that filters all the unique(unrepeated) elements of a given list.
+
+
+
+def unique(list):
+
+    unique_list = []
+
+    for x in list:
+        
+        if x not in unique_list:
+            unique_list.append(x)
+    
+    for x in unique_list:
+        print(x)
+
+list = [1,2,3,3,3,3,4,5,5]
+
+print(unique(list))
+
+
diff --git a/Week03_Hw5.py b/Week03_Hw5.py
new file mode 100644
index 0000000..5991f80
--- /dev/null
+++ b/Week03_Hw5.py
@@ -0,0 +1,13 @@
+
+# function which return reverse of a string
+
+def return_reserve(x):
+    return x == x[::-1]
+
+x = input("check your word reserve or not, please enter your word : ")
+y = return_reserve(x)
+
+if y:
+    print("Yes")
+else:
+    print("No")
diff --git a/Week03_Hw_1.py b/Week03_Hw_1.py
new file mode 100644
index 0000000..947d7f4
--- /dev/null
+++ b/Week03_Hw_1.py
@@ -0,0 +1,10 @@
+##Write a function that finds perfect numbers between `1` and `1000`.
+##Check perfect numbers between `1` and `1000` and find the sum of the perfect numbers using reduce and filter functions. 
+
+def perfect(x): 
+    return [y for y in range(1, int(x / 2) + 1) if x % y == 0] 
+
+def perfect_numbers_in_range(a,b): 
+    return [x for x in range(a,b+1) if sum(perfect(x)) == x] 
+
+print(perfect_numbers_in_range(1, 10000))
diff --git a/Week03_Hw_2.py b/Week03_Hw_2.py
new file mode 100644
index 0000000..a41c782
--- /dev/null
+++ b/Week03_Hw_2.py
@@ -0,0 +1,15 @@
+
+#write a function that outputs the transcription of an input number with two digits.
+
+
+def transcription(n):
+
+    units_digits=['','one','two','tree','four','five','six','seven','eight','nine']
+    tens_digits=['','','twenty','thirty','fourty','fifty','sixty','seventy','eighty','ninety']
+    units=n%10
+    tens=n//10
+    print(tens_digits[tens],units_digits[units])
+
+number=int(input("enter number with two digits : "))
+transcription(number)
+
diff --git a/Week03_Hw_3.py b/Week03_Hw_3.py
new file mode 100644
index 0000000..14906d5
--- /dev/null
+++ b/Week03_Hw_3.py
@@ -0,0 +1,10 @@
+def abccc():   
+
+    items=[i for i in input().split('-')]
+    items.sort()
+
+#print('-'.join(abccc))
+
+print(abccc)
+
+