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pub mod calculator_functions {
    pub mod basic_functions {
        pub fn add(input1:i32,input2:i32)->i32 {
            input1+input2
        }

        pub fn subtract(input1:i32,input2:i32)->i32 {
            input1-input2
        }

        pub fn divide(input1:i32,input2:i32)->i32{
            input1/input2
        }

       pub  fn multiply(input1:i32,input2:i32)->i32{
            input1*input2
          }
        }
      }

       pub mod power_functions {
        pub fn square(input1:i32)->i32 {
            input1*input1
        }

        pub fn cube(input1:i32)->i32 {
            input1*input1*input1
        }

        pub fn power_function1(num : u32,exp: u32)->u32 {
          

            u32::pow(num,exp)
        }
    }