All the Assignment Related to Quarter 01 of Section 9:00 to 12:00

Assignments/assignment-1/.gitignore

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+/target/

Assignments/assignment-1/Cargo.toml

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+[package]
+name = "assignment-1"
+version = "0.1.0"
+authors = ["mrmjt"]
+edition = "2018"
+
+[dependencies]

Assignments/assignment-1/src/main.rs

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+
+/* Assignment key by Muhammad Jamshaid tahiri*/
+// Line comments which go to the end of the line.
+/* Block comments which go to the closing delimiter. */
+use std::io;
+fn main() {
+
+/* PART-1 Q1
+       println!("Hello, world!"); //semicolon and macro(!) was missing
+*/
+
+
+/* PART-1 Q2
+     let chocolate1 = 10;
+    let chocolate2 = 10;
+    let total: u32 = chocolate1 + chocolate2;      //can change cons to let
+    println!("The sum of x and y is:{} ",total);   // {} parenthesis was missiong
+*/
+
+/* PART-1 Q3
+    let x = 2.5;
+    let y = 3;
+    let z = x * y as f32;   //was trying to multiply different data types. you can type cast y as f32
+    println!("{}",z);
+*/
+
+/*PART-1 Q4
+   let radius = 6.0;
+   let perimeter:i32;    
+
+   perimeter = (2.0*3.14*radius) as i32; // this will calculate to floating points so //w e have to type cast it by using as i32 
+                                        
+   println!("Perimeter of the Circle = {} inches", perimeter);
+*/	
+
+/*PART-1 Q5
+
+    let mut x = "haris";     //after shadowing variable doesn't need to be mutable so rustc will throw warning
+    println!("{}",x);
+    let x = x.len();         //here data type change from str to usize so we can shadow it simply by adding let
+    println!("{}",x) ;
+*/
+
+/*PART-1 Q6
+
+    let mut x = 3;
+    println!("Number {}", x);
+    x = 5;                       //variable was immutable so add mut to first variable also can shadow by using let
+    println!("Number {}", x);
+
+*/
+
+
+/*PART-1 Q7
+
+    // Short-circuiting boolean logic
+    println!("true AND false is {}", true && false); //false spelling mistake ,and parenthesis and semicolon was missing
+    println!("true OR false is {}", true || false);
+    println!("NOT true is {}", !true);
+
+*/
+
+
+/*PART-1 Q8
+
+   let interest:f32 = 8.0;  //f32 was defined while number was i32 type . you can change 8 to 8.0 or add (8.0 as f32) or even you can change data type from f32 to i32
+   println!("interest is {}",interest);
+*/
+
+/*PART-1 Q9
+
+let long_lived_binding = 1;
+// This is a block, and has a smaller scope than the main function
+//{
+// This binding only exists in this block
+let short_lived_binding = 2;
+println!("inner short: {}", short_lived_binding);
+println!("inner short: {}", long_lived_binding);
+//} 
+// Error! `short_lived_binding` doesn't exist in this scope
+println!("outer short: {}", short_lived_binding); // this error can be remove by removing or commenting parenthesis of scope
+// FIXME ^ Comment out this line
+*/
+
+
+
+/*PART-1 Q10
+
+
+    let a_binding;
+    {
+        let x = 2;
+        // Initialize the binding
+        a_binding = x * x;
+    }
+
+    println!("a binding: {}", a_binding); //spelling mistake
+
+*/
+
+/* PART-2 Q1
+let x =95.0;
+let n = 150.0;
+let p = x/n*100.0 ;
+println!("Percentage in Chemistry is {}",p);
+*/
+
+
+/* PART-2 Q2
+
+//(use std::io) this will be used before main function to take standard library in to scope
+
+let mut x = String::new();
+io::stdin().read_line(&mut x);
+
+print!("{}",x);
+*/
+
+/* PART-2 Q3 
+
+let name : String = String::from("MUHAMMAD JAMSHAID TAHIRI") ;
+let age : i32 = 20;
+let mobile_no : String = String::from("0900-78601");
+println!("name :{} \nage:{} \nmobile no: {} ",name,age,mobile_no );
+*/
+
+/* PART-2 Q4 
+
+let a : i32 =125;
+let b : i32 = 12345;
+let ax : i64 = 1234567890;
+let s : i16 =4043;
+let x : f32 = 2.13459;
+let dx : f64 = 1.1415927;
+let c : char = 'W';
+let ux : u64 = 2541567890;
+println!("a + c is {}",  a + c as i32); 
+println!("x + c is {}",  x as i32 + c as i32); 
+println!("dx + x is {}",  dx + x as f64);
+println!("a + x is {}",  a + x as i32 );
+println!("s + b is {}",  s + b as i16);
+println!("ax + b is {}",  ax + b as i64);
+println!("s + c is {}",  s as i32 + c as i32); 
+println!("ax + c is {}",  ax as i32 + c as i32); 
+println!("ax + ux is {}",  ax + ux as i64);
+*/
+/* PART-2 Q5 
+
+let days = 1329;
+let years = days/365;
+let days = 1329-(365*years);
+let week = days/(7);
+println!("years :{} \nweeks: {}",years,week );
+
+//also in this way
+let days = 1329;
+let years = days/365;
+let week = days%365/7;
+
+println!("years :{} \nweeks: {}",years,week );
+
+*/
+
+}

Assignments/assignment-2/.gitignore

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+/target/

Assignments/assignment-2/Cargo.toml

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+[package]
+name = "assignment-2"
+version = "0.1.0"
+authors = ["mrmjt <jamshaid.tahiri1@gmail.com>"]
+edition = "2018"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]