asignment sumitted

Day1/assignment.rb

@@ -2,31 +2,43 @@
 # --------------------------------------------------------------------------
 
 # 1. Write a method to swap two variables. 
-# def method(a, b)
-#   Your code here....
-# end
+   def swap(a,b)
+   a=a+b
+   b=a-b
+   a=a-b
+   puts "a=#{a} b=#{b}"
+   end
+ => swap(20,50)
 
+  [50,20]
 
 
-# 2. Write any one use case of === operator.
-# Your answer here...
-
+# 2. Write any one use case of === aperator
+   (1..9) === 5.16732 returns true
+   
 
 
 # 3. Print array of alphabates using Range operator.
-# Your answer here...
-
-
-
-# 4. Print 'Ho! Ho! Ho! Merry Christmas!' using string interpolation and * operator.
-# Your answer here...
+   ('a'..'m').to_a returns all alphabets starting from A to M. 
 
+ ["a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m"]
 
+# 4. Print 'Ho! Ho! Ho! Merry Christmas!' using string interpolation and * operato
+   a = 'Ho!' * 3
+   b = 'Merry christmas!'
+   puts a+b
+   Ho!Ho!Ho!Merry Cristmas!
 
 # 5. Write a ruby program that perform following operations:
 #    a. Ask user his/her name
 #    b. Ask user his/her age
 #    c. Finally, print result in the form
 #       "Your name is <user's name>"
 #       "Your age is <user's age>"
-# Your answer here...
+     @name = gets
+     @age = gets
+
+     puts "Your name is #{@name}"
+     puts "your name is #{@age}"
+  Your name is Pankaj
+  Your age is 25

Day2/assignments/arrays_qs.rb

@@ -4,7 +4,11 @@
 # Declare one array arr1 and method with array as parameter
 # return sum of elements in arr1 using each loop
 def sum_of_arr(arr)
-  # do whatever you want...
+   sum = 0
+   arr.each do |i|
+       sum = sum + i
+   end
+   sum
 end
 
 # Question2
@@ -13,15 +17,20 @@ def sum_of_arr(arr)
 # Method will return array with new element.
 # Add new_element into array using 'push' method of Array
 def push_elements_into_array(arr, ele)
-  # you can do it.. :-)
+   arr.push(ele)
+    arr
 end
 
 # Question3
 # Pass array to below method
 # Iterate on array and puts each element from array
 # using 'pop' method of Array
 def pop_from_array(arr)
-  # you can do it.. :-)
+   l=arr.length
+   l.each do
+      num=arr.pop
+      puts "#{num} is removed!"
+   end
 end
 
 # Question4
@@ -31,7 +40,16 @@ def pop_from_array(arr)
 # eg. a = [1, 2, 3]
 # a.each_with_index { |n, index| .... }
 # Here, n = element of array & index = index of element in array
-
+ a=[9,2,4,6,8,1,3,7,5,10]
+=> [9, 2, 4, 6, 8, 1, 3, 7, 5, 10]
+a.sort
+=> [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
+a.reverse
+=> [10, 5, 7, 3, 1, 8, 6, 4, 2, 9]
+puts a[4]
+=> 8
 # Question5
 # str = 'Hello Ruby!!!'
 # Write code to store str into array as ['Hello fun', 'Ruby!!! fun']
+arr = str.split(/ /)
+arr.map {|i| i +" fun"}