completed till quiz2

Author: AlphaGotReal

exercises/02_functions/functions1.rs

@@ -3,3 +3,7 @@
 fn main() {
     call_me(); // Don't change this line
 }
+
+fn call_me() {
+    println!("fasdfasdf");
+}

exercises/02_functions/functions2.rs

@@ -1,5 +1,5 @@
 // TODO: Add the missing type of the argument `num` after the colon `:`.
-fn call_me(num:) {
+fn call_me(num: u8) {
     for i in 0..num {
         println!("Ring! Call number {}", i + 1);
     }

exercises/02_functions/functions3.rs

@@ -1,10 +1,10 @@
 fn call_me(num: u8) {
-    for i in 0..num {
-        println!("Ring! Call number {}", i + 1);
+    for i in 1..num {
+        println!("Ring! Call number {}", i);
     }
 }
 
 fn main() {
     // TODO: Fix the function call.
-    call_me();
+    call_me(10);
 }

exercises/02_functions/functions4.rs

@@ -8,7 +8,7 @@ fn is_even(num: i64) -> bool {
 }
 
 // TODO: Fix the function signature.
-fn sale_price(price: i64) -> {
+fn sale_price(price: i64) -> i64{
     if is_even(price) {
         price - 10
     } else {

exercises/02_functions/functions5.rs

@@ -1,6 +1,6 @@
 // TODO: Fix the function body without changing the signature.
 fn square(num: i32) -> i32 {
-    num * num;
+    num * num
 }
 
 fn main() {

exercises/03_if/if1.rs

@@ -4,6 +4,11 @@ fn bigger(a: i32, b: i32) -> i32 {
     // Do not use:
     // - another function call
     // - additional variables
+    if a > b {
+        a
+    }else {
+        b
+    }
 }
 
 fn main() {

exercises/03_if/if2.rs

@@ -2,8 +2,10 @@
 fn picky_eater(food: &str) -> &str {
     if food == "strawberry" {
         "Yummy!"
+    } else if food == "potato"{
+        "I guess I can eat that."
     } else {
-        1
+        "No thanks!"
     }
 }
 

exercises/03_if/if3.rs

@@ -3,11 +3,11 @@ fn animal_habitat(animal: &str) -> &str {
     let identifier = if animal == "crab" {
         1
     } else if animal == "gopher" {
-        2.0
+        2
     } else if animal == "snake" {
         3
     } else {
-        "Unknown"
+        -1
     };
 
     // Don't change the expression below!

exercises/04_primitive_types/primitive_types1.rs

@@ -9,6 +9,7 @@ fn main() {
     // TODO: Define a boolean variable with the name `is_evening` before the `if` statement below.
     // The value of the variable should be the negation (opposite) of `is_morning`.
     // let …
+    let is_evening = !is_morning;
     if is_evening {
         println!("Good evening!");
     }

exercises/04_primitive_types/primitive_types2.rs

@@ -18,6 +18,8 @@ fn main() {
     // from a different language than your own, try an emoji 😉
     // let your_character = '';
 
+    let your_character = ' ';
+
     if your_character.is_alphabetic() {
         println!("Alphabetical!");
     } else if your_character.is_numeric() {