# Initializing some arrays of elements
Array1 = ["a", "b", "c", "d"]
Array2 = []
Array3 = [1]
Array4 = [1, 2]
Array5 = ["Ram", "Geeta", "Shita"]
 
# Calling reverse! function
A = Array1.reverse!
B = Array2.reverse!
C = Array3.reverse!
D = Array4.reverse!
E = Array5.reverse!
 
# Printing the same input array
# with reversed elements
puts "#{A}"
puts "#{B}"
puts "#{C}"
puts "#{D}"
puts "#{E}"

["d", "c", "b", "a"]
[]
[1]
[2, 1]
["Shita", "Geeta", "Ram"]

# Initializing some arrays of elements
Array1 = ["a", "b", "c", "d"]
Array2 = []
Array3 = [1]
Array4 = [1, 2]
Array5 = ["Ram", "Geeta", "Shita"]
 
# Calling reverse! function
A = Array1.reverse!
B = Array2.reverse!
C = Array3.reverse!
D = Array4.reverse!
E = Array5.reverse!
 
# Printing original input array
# after calling reverse! function
puts "#{Array1}"
puts "#{Array2}"
puts "#{Array3}"
puts "#{Array4}"
puts "#{Array5}"

["d", "c", "b", "a"]
[]
[1]
[2, 1]
["Shita", "Geeta", "Ram"]