diff --git a/alphabetical_order b/alphabetical_order
new file mode 100644
index 0000000..3b1fd8b
--- /dev/null
+++ b/alphabetical_order
@@ -0,0 +1,17 @@
+# 3-alphabetical_order.py
+# Write a function that takes an input form user which separates the words
+# hyphen icon(-) and sort the words alphabetical order and then adds hyphen 
+# icon (-) between them and gives the output of it.
+# Input  >>> green-red-yellow-black-white
+# Output >>> black-green-red-white-yellow 
+
+def alphabetical_order():
+    words=input("Enter some words separetely: ")
+    words_list=words.lower().split(" ")
+    words_list_alphabetical=sorted(words_list)
+    words_in_order=""
+    for i in words_list_alphabetical:
+        words_in_order+=i+"-"
+    print(words_in_order[:-1])
+
+alphabetical_order()
diff --git a/equal_reverse b/equal_reverse
new file mode 100644
index 0000000..b3cfb04
--- /dev/null
+++ b/equal_reverse
@@ -0,0 +1,19 @@
+# 5-equal_reverse.py
+# Write a function that controls the given inputs wheter they are equal with their reverse writing or not.
+# Input  >>> madam, tacocat, utrecht 
+# Output >>> True, True, False
+
+def equal_reverse ():
+    word=input("Type some words separately: ")
+    word_list=list(word.split(" "))
+    result_list=[]
+    for i in word_list:
+        if len(i)%2==0 and i[:int(len(i)/2)][::-1]==i[int(len(i)/2):]:
+            print("True")
+        elif len(i)%2==0 and i[:int(len(i)/2)][::-1]!=i[int(len(i)/2):]:
+            print("False")
+        elif len(i)%2==1 and i[:int(len(i)//2)][::-1]==i[int(len(i)//2)+1:]:
+            print("True")
+        elif len(i)%2==1 and i[:int(len(i)//2)][::-1]!=i[int(len(i)//2)+1:]:
+            print("False")
+equal_reverse()
diff --git a/hackerrank  Capitalize b/hackerrank  Capitalize
new file mode 100644
index 0000000..f8026b4
--- /dev/null
+++ b/hackerrank  Capitalize	
@@ -0,0 +1,10 @@
+# hackerrank  Capitalize
+
+
+def solve(s):
+        
+    s=s[0].upper()+s[1:]
+    for i in range(len(s)):
+        if s[i]==" ":
+            s=s[:i+1]+s[i+1].upper()+s[i+2:]
+    return s
diff --git a/hackerrank Find Digits b/hackerrank Find Digits
new file mode 100644
index 0000000..fa17553
--- /dev/null
+++ b/hackerrank Find Digits	
@@ -0,0 +1,14 @@
+# hackerrank  Find Digits   Complete the findDigits function below.
+
+def findDigits(n):
+    t=str(n)
+    k=0
+    for i in range(len(t)):
+        if int(t[i])==0:
+            continue
+        elif n%int(t[i])==0:
+            k+=1
+        else:
+            pass
+    # print(k)
+    return k 
diff --git a/perfect_number b/perfect_number
new file mode 100644
index 0000000..62fc8d5
--- /dev/null
+++ b/perfect_number
@@ -0,0 +1,21 @@
+# 1-perfect_number.py
+# 1-The smallest perfect number is 6, which is the sum of 1, 2, and 3.
+# Other perfect numbers are 28(1+2+4+7+14=28), 496 and 8128.  between 1 and 1000.
+# numbers between 1 and 1000 and find the sum of the prime numbers using with reduce and filter functions.
+
+def perfect_numbers():
+
+    a=1000
+    b=[]
+    for i in range(1,a+1):
+        b.append(i)
+
+    for i in b:
+        t=0
+        for k in range(1,i):
+            if i%k==0:
+                t+=k
+        if t==i:
+            print(t)
+
+perfect_numbers()
diff --git a/reading_number b/reading_number
new file mode 100644
index 0000000..1419741
--- /dev/null
+++ b/reading_number
@@ -0,0 +1,23 @@
+# 2.reading_number     28---------------->Twenty Eight
+
+tens=["twenty","thirty","fourty","fifty","sixty","seventy","eighty","ninety"]
+ones=["one","two","three","four","five","six","seven","eight","nine"]
+teen=["ten","eleven","twelve","thirteen","fourteen","fifteen","sixteen","seventeen","eighteen","nineteen"]
+
+def number_written():
+
+    a=int(input("Enter a two digit number "))
+    a1=a%10
+    a2=a//10
+
+    if 9<a<20:
+        print("{}---------------->{}".format(a,teen[a1]))        
+    elif 19<a<100:
+        if a1==0:
+            print("{}---------------->{}".format(a,tens[a2-2]))        
+        else:
+            print("{}---------------->{}".format(a,tens[a2-2]+" "+ones[a1-1]))        
+    else:
+        print("Please  enter a correct number!")
+
+number_written()
diff --git a/unique_list b/unique_list
new file mode 100644
index 0000000..aaaee74
--- /dev/null
+++ b/unique_list
@@ -0,0 +1,14 @@
+# 4-unique_list.py
+# Write a function that filters unique(unrepeated) all elements of a given list.
+# Function call: unique_list([1,2,3,3,3,3,4,5,5])
+# Output       : [1, 2, 3, 4, 5]
+
+def unique_list():
+    numbers=input("Enter some numbers separetely: ")
+    number_list=set(numbers.split(" "))
+    t=[]
+    for i in number_list:
+        t.append(int(i))
+    print(t)
+    
+unique_list()