diff --git a/assignment_1.py b/assignment_1.py
new file mode 100644
index 0000000..9b5267b
--- /dev/null
+++ b/assignment_1.py
@@ -0,0 +1,12 @@
+n=int(input("Enter the number of row: "))
+list1=[]
+
+for i in range(n):
+    temp_list=[]
+    for j in range(i+1):
+        if j==0 or j==i:
+            temp_list.append(1)
+        else:
+            temp_list.append(list1[i-1][j-1]+list1[i-1][j])
+    list1.append(temp_list)
+    print("   ".join( repr(e) for e in list1[i] ).center(5*n))
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diff --git a/assignment_2.py b/assignment_2.py
new file mode 100644
index 0000000..4f88db3
--- /dev/null
+++ b/assignment_2.py
@@ -0,0 +1,4 @@
+def colors(string):
+    return "-".join(sorted(string.split("-")))
+
+print(colors("green-red-yellow-black-white"))
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diff --git a/assignment_3.py b/assignment_3.py
new file mode 100644
index 0000000..652f001
--- /dev/null
+++ b/assignment_3.py
@@ -0,0 +1,13 @@
+
+def perfectnumber(n):
+    for i in range(1,n):
+        sum1=0
+        if n % i==0:
+            sum1 += i
+    if sum1==n:
+        print(f'{n} is a perfect number')
+    else:
+        print(f'{n} is not a perfect number')
+
+
+perfectnumber(14)
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diff --git a/bonus_1.py b/bonus_1.py
new file mode 100644
index 0000000..a742caf
--- /dev/null
+++ b/bonus_1.py
@@ -0,0 +1,5 @@
+orginal_list  = [{'make':'Nokia', 'model':216, 'color':'Black'}, {'make':'Mi Max', 'model':'2', 'color':'Gold'}, {'make':'Samsung', 'model': 7, 'color':'Blue'}]
+sorted_list=sorted(orginal_list, key=lambda x:x["color"])
+
+
+print(sorted_list)
\ No newline at end of file
diff --git a/bonus_2.py b/bonus_2.py
new file mode 100644
index 0000000..a6c6040
--- /dev/null
+++ b/bonus_2.py
@@ -0,0 +1,5 @@
+integers= [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
+even_integers=list(filter(lambda x:(x%2==0),integers ))
+odd_integers=list(filter(lambda x:(x%2==1),integers ))
+print(even_integers)
+print(odd_integers)
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