diff --git a/src/calculator.py b/src/calculator.py
new file mode 100644
index 0000000..18e6df2
--- /dev/null
+++ b/src/calculator.py
@@ -0,0 +1,28 @@
+'''
+Write a program that given two numbers as input make the main operations.
+
+Output:
+Insert first number: 4
+Insert second number: 2
+
+SUM: 6
+Difference: 2
+Multiplication: 8
+Division: 2
+'''
+def calculator(first_number:int, second_number:int):
+    sum = first_number + second_number
+    difference = first_number - second_number
+    multiplication = first_number * second_number
+    if second_number != 0:
+        division = first_number / second_number
+    else:
+        division = "Can't divide by 0"
+    print(f"Sum: {sum}")
+    print(f"Difference: {difference}")
+    print(f"Multiplication: {multiplication}")
+    print(f"Division: {division}")
+
+first:int = int(input("Insert first number: "))
+second:int = int(input("Insert second number: "))
+calculator(first, second)
diff --git a/src/random-number.py b/src/random-number.py
new file mode 100644
index 0000000..f1e8c55
--- /dev/null
+++ b/src/random-number.py
@@ -0,0 +1,6 @@
+import random
+#Write a program that generates a random number.
+#Output:
+#The random number is: 4
+number = int(random.randrange(0,1000))
+print(f"The random number is: {number}")