text: #!/usr/bin/env python
  
  # Single quotes and double quotes:
  print('\'hello\'')
  print('"hello"')
  print("\"hello\"")
  print("'hello'")
  print("""In this string, I can use ' and " without a '\\'!""")
  print('''Same 'with' "this" string!''')
  
  # Variables:
  balance = 1446.509
  print(balance)
  print(str(balance))
  print('Remaining balance: $%.2f' % balance)
  name = input('What is your name? ')
  print(name)
  print(name.upper())
  print(name.lower())
  print('Your name is ' + str(len(name)) + ' letters long.')
  description = 'awesome'
  print('You are totally %s!!!' % description)
  