ravi-ndra

# program to give new string staring by 'if' , if string already have 
# 'if' at starting give unchanged string

puts "Enter String :"

str = gets.chomp

if str[0,2] == 'if'
    puts str
else

ravi-ndra

# take user inout string and find out how many vowels are there in string

puts "Enter a String :"
str = gets.chomp.downcase

cnt = (str.count "a") + (str.count "e") + (str.count "i") + (str.count "o") + (str.count "u")

puts cnt

ravi-ndra

#Create and array with 10 random values and find uniq elemets from it

arr = Array.new(10)
puts "Enter element for array:"
for i in 0...10
    arr[i] = gets.chomp
end

for i in 0...10
    for j in 1...10-i

ravi-ndra

# Create array of 10 and sort

arr = Array.new(10)
puts "Enter element for array:"
for i in 0...10
    arr[i] = gets.chomp
end

for i in 0...10
    for j in 1...10-i