feat: assignment done

src/lib.cairo

@@ -1,5 +1,50 @@
-mod addition;
-mod errors;
-mod ownable_contract;
-mod counter_contract;
-mod aggregator_contract;
+fn main() {
+    short_str();
+    let result = check_num(30);
+    println!("result here: {result}");
+    let sum: u16 = add_num(10, 5);
+    println!("sum here: {sum}");
+    let sub: u32 = sub_num(8, 53);
+    println!("subtraction of two numbers is: {sub}");
+    let mul: u64 = multiply_num(4, 6);
+    println!("multiplying two numbers gives us: {mul}");
+    let div: u16 = divide_nums(2, 12);
+    println!("dividing two numbers gives us: {div}");
+}
+
+// short string data-type
+fn short_str() {
+    println!("GM Cairo!");
+}
+
+// bool data type
+fn check_num(n1: u8) -> bool {
+    if n1 > 20 {
+        return true;
+    }
+    return false;
+}
+
+//  function to perform addition arithmetic operation
+fn add_num(n1: u16, n2: u16) -> u16 {
+    let result: u16 = n1 + n2;
+    result
+}
+
+//  subtract function
+fn sub_num(n1: u32, n2: u32) -> u32 {
+    let result: u32 = n2 - n1;
+    result
+}
+
+//  multiply function
+fn multiply_num(n1: u64, n2: u64) -> u64 {
+    let result: u64 = n1 * n2;
+    result
+}
+
+//  divide function
+fn divide_nums(n1: u16, n2: u16) -> u16 {
+    let result: u16 = n2 / n1;
+    result
+}