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Roman Pushkin 2021-08-15 18:09:20 -07:00
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@ -669,3 +669,89 @@ Total weight of all items on the Earth is 1.039 kg or 2.29060018 lb
Total weight of all items on the Moon is 0.17316666666666666 kg or 0.3817666966666667 lb
```
063
===
Skip for now
064
===
### Exercise 1
```ruby
{
client: "Mark Zuck",
balance_usd: 123.45,
show_deposits: true,
transactions: [
{ description: "McDonalds", type: :withdrawal, amount: 40 },
{ description: "Selling ads", type: :deposit, amount: 1000 },
{ description: "Selling user data", type: :deposit, amount: 300 },
{ description: "Lawyer", type: :withdrawal, amount: 200 },
{ description: "Lunch with friends", type: :withdrawal, amount: 100 },
]
}
```
### Exercise 2
```ruby
def show(info)
puts "Name: #{info[:client]}"
puts "Balance: $#{info[:balance_usd]}"
puts "Show deposits: #{info[:show_deposits]}"
puts
puts "Transactions:"
info[:transactions].each do |t|
next if !info[:show_deposits] && t[:type] == :deposit
puts "#{t[:description]}, #{t[:type]}, $#{t[:amount]}"
end
end
show({
client: "Mark Zuck",
balance_usd: 123.45,
show_deposits: true, # Change to false to hide deposits
transactions: [
{ description: "McDonalds", type: :withdrawal, amount: 40 },
{ description: "Selling ads", type: :deposit, amount: 1000 },
{ description: "Selling user data", type: :deposit, amount: 300 },
{ description: "Lawyer", type: :withdrawal, amount: 200 },
{ description: "Lunch with friends", type: :withdrawal, amount: 100 },
]
})
```
Output 1:
```
$ ruby app.rb
Name: Mark Zuck
Balance: $123.45
Show deposits: true
Transactions:
McDonalds, withdrawal, $40
Selling ads, deposit, $1000
Selling user data, deposit, $300
Lawyer, withdrawal, $200
Lunch with friends, withdrawal, $100
```
Output 2:
```
$ ruby app.rb
Name: Mark Zuck
Balance: $123.45
Show deposits: false
Transactions:
McDonalds, withdrawal, $40
Lawyer, withdrawal, $200
Lunch with friends, withdrawal, $100
```