ravi-ndra

# h = {a: 1, b:2, c: 3.5, d: 'hello', e: 15.5, f: 'Good', g:15, h: "Morning!", i:1.5}
# Create Integer hash, Floating hash, String hash.
# Ex: 
# string_hash = {a:'hello', b: 'Good', c: 'Morning!'}
# int_hash= {a: 1,b:2,c:15}

hs = {a: 1, b:2, c: 3.5, d: 'hello', e: 15.5, f: 'Good', g:15, h: "Morning!", i:1.5}
int_hash = {}
string_hash = {}
float_hash = {}

ravi-ndra

# h = {a: 1, b:2, c: 3, 'd' => 4, 'e' => 5, g: 'my name is namizuko', h: 15}
# calculate the sum of all integer values

hs = {a: 1,b: 2,c: 3,'d' => 4,'e' => 5,g: 'my name is Ravindra',h: 15}

sum = 0
hs.each do |key,value| 
    if  value.class == Integer
        sum += value
    end

ravi-ndra

# h1 = {a: 100, b:123, c: 30, 'd' => 134, 'e' => 05, h: 15}
# Make this hash into descending order.

hs = {a: 100, b:123, c: 30, 'd' => 134, 'e' => 05, h: 15}

puts "Hash is Descending is :"
puts "#{hs.sort_by {|k,v| v}.reverse}"

ravi-ndra

# h1 = {a: 100, b:123, c: 30, 'd' => 134, 'e' => 05, h: 15}
# Make this hash into ascending order.

hs = {a: 100, b:123, c: 30, 'd' => 134, 'e' => 05, h: 15}

puts "Hash is Ascending is :"
puts "#{hs.sort_by {|k,v| v}}"

ravi-ndra

# h1 = {a: 100, b:123, c: 30, 'd' => 134, 'e' => 05, h: 15}
# Find the keys of Max and Min value.

hs = {a: 100, b:123, c: 30, 'd' => 134, 'e' => 05, h: 15}

max = 0
min = hs[:a]
hs.each do |key,value| 
    if  value > max
        max = value

ravi-ndra

# h1 = {a: 100, b:123, c: 30, 'd' => 134, 'e' => 05, h: 15}
# Find the Max and Min value.

hs = {a: 100, b:123, c: 30, 'd' => 134, 'e' => 05, h: 15}

max = 0
min = hs[:a]
hs.each do |key,value| 
    if  value > max
        max = value

ravi-ndra

# h1 = {a: 1, b:2, c: 3}  h2 = {'d'=> 4, 'e' => 5, h: 15}
# Marge both the hash value.

hs1 = {a: 1, b:2, c: 3}  
hs2 = {'d'=> 4, 'e' => 5, h: 15}

puts hs1.merge(hs2)

ravi-ndra

# h = {a: 1, b:2, c: 3, 'd' => 4, 'e' => 5, h: 15}
# calculate the sum of all Even values

hs = {a: 1, b:2, c: 3, 'd' => 4, 'e' => 5, h: 15}

sum = 0
hs.each do |key,value| 
    if  value % 2 ==0
        sum += value
    end

ravi-ndra

# h = {a: 1, b:2, c: 3, 'd' => 4, 'e' => 5, h: 15}
# calculate the sum off all Odd values

hs = {a: 1, b:2, c: 3, 'd' => 4, 'e' => 5, h: 15}

sum = 0
hs.each do |key,value| 
    if  value % 2 !=0
        sum += value
    end

ravi-ndra

#Swap string values with out using third variable

str1 = "This is String 1 !"
str2 = "This is String 2 !"

puts "Before swapping :"

puts "String 1 : #{str1}"
puts "String 2 : #{str2}"