A. Given the following data structure: lines = ['Gyle Centre', 'Edinburgh Park', 'Murrayfield Stadium', 'Haymarket', 'Princes Street']
Work out how many stops there are in the lines array
Return 'Edinburgh Park' from the array
How many ways can we return 'Princes Street' from the array?
Work out the index position of 'Haymarket'
Add 'Airport' to the start of the array
Add 'York Place' to the end of the array
Remove 'Edinburgh Park' from the array using it's name
Delete 'Edinburgh Park' from the array by index
Reverse the positions of the stops in the array
Print out all of the stops using loop / while / until / for
B. Given the following data structure: my_hash = {0 => "Zero", 1 => "One", :two => "Two", "two" => 2}
How would you return the string "One"?
How would you return the string "Two"?
How would you return the number 2?
How would you add {3 => "Three"} to the hash?
How would you add {:four => 4} to the hash?
C. Given the following data structure: users = {
"Jonathan" => {
:twitter => "jonnyt",
:favorite_numbers => [12, 42, 75, 12, 5],
:home_town => "Stirling",
:pets => {
"fluffy" => :cat,
"fido" => :dog,
"spike" => :dog
}
},
"Erik" => {
:twitter => "eriksf",
:favorite_numbers => [8, 12, 24],
:home_town => "Linithgow",
:pets => {
"blinky" => :fish,
"kevin" => :fish,
"spike" => :dog,
"fang" => :parrot
}
},
"Anil" => {
:twitter => "bridgpally",
:favorite_numbers => [12, 14, 85, 88],
:home_town => "Dunbar",
:pets => {
"colin" => :snake
}
},
}
Return Jonathan's Twitter handle (i.e. the string "jonnyt")
Return Erik's hometown
Return the array of Erik's favorite numbers
Return the type of Anil's pet Colin
Return the smallest of Erik's favorite numbers
Return an array of Anil's favorite numbers that are even
Return an array of Jonathans favourite numbers, sorted in ascending order and excluding duplicates
Add the number 7 to Erik's favorite numbers
Change Erik's hometown to Edinburgh
Add a pet dog to Erik called "Fluffy"
Add yourself to the users hash
