1.3 Vocab

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Across
  1. 2. Ensure that the values stored in variables are of the correct type and/or within appropriate value ranges.
  2. 3. Any single typeset unit, including uppercase and lowercase letters, digits, punctuation marks, international characters like letters with Ümläüts, and special characters like tabs and carriage returns.
  3. 4. The digital representation of an instruction that will be fetched, decoded, retrieved, and executed by the CPU.
  4. 9. Any value that a method or function gives back to the statement command from which the function or method is called.
  5. 10. Value Python allows a programmer to specify the value for an argument if the function is called without that actual argument.
  6. 12. Not able to be changed after creation.
  7. 14. The directory in the file system you are currently "in".
  8. 17. A special comment located at the beginning of a program or the beginning of a function that is used to automatically create help documentation.
  9. 19. A single object or variable/value in a collection.
  10. 20. A computer program created to read an entire program and convert it into a lower-level language and ultimately to assembly language used by the processor.
  11. 21. An encapsulated collection of one or more related classes, each with its own methods and attributes.
  12. 23. A very tiny part of the processor microchip that stores bits of data, typically 32 or 64 bits in modern computers.
  13. 24. A graphic organizer that can be used to show the procedural pathways within a program.
  14. 25. The set of functions available to the programmer without the need to use any “import” or “include” statements.
  15. 33. To determine the result of an expression.
  16. 34. A native type representing the integers, which are positive whole numbers and their opposites.
  17. 35. Operator The ‘=’ character causes the compiler or interpreter to evaluate to the expression on its right and store the result in the variable(s) on its left.
  18. 36. A native type in Python that can store a collection but cannot assign new values to individual elements.
  19. 38. A variable or value with several elements such as a string, tuple, or list.
  20. 39. The grammar of a programming language, defining what specific sequences of characters are allowed, what they mean, and how they can be put together.
  21. 40. A native type in Python representing a sequence of characters. Strings are both iterable and immutable.
Down
  1. 1. Zeros and ones that represent simple instructions executed by a processor.
  2. 5. A conditional with one or more logical operators used to incorporate several logical expressions.
  3. 6. Code telling the interpreter or compiler to execute a function or method defined elsewhere, replacing the call with a return value if applicable.
  4. 7. Denoted by either ‘’’, or “”” these can generate docstrings and allow the programmer to leave notes in code that span several lines without having to type ‘#’ at the beginning of each line.
  5. 8. A list of code that was executed just before an exception stopped the program.
  6. 11. A software development process in which developers first create a test suite and then create the code to satisfy the test suite, e.g., Xtreme Programming.
  7. 13. A collection of modules.
  8. 15. Algorithmic structure for performing the instructions multiple times, with each pass through the loop called an iteration. Usually controlled by a condition evaluated with each iteration.
  9. 16. An error or other message raised by the interpreter or compiler to indicate a special circumstance that should be handled by an exception handler. If an exception is not handled, the program will stop and report the error.
  10. 18. A string that contains no characters.
  11. 22. A unique identifier given to the function when it is defined and used again whenever the function is called.
  12. 26. A property of collections that are used to provide elements one at a time and in sequence.
  13. 27. A native type representing rational numbers to limited precision.
  14. 28. The values that the programmer provides in the function call.
  15. 29. In Python import is a key word for using one module of code from inside another module.
  16. 30. casting Converting data from one type to another, e.g., from string to int, potentially losing information.
  17. 31. An object that is able to be changed after its creation.
  18. 32. Selecting a portion of a collection.
  19. 37. The portion of a program that knows about a variable and can access its value. In Python a variable has a local scope (the variable can only be used in a function definition) or global scope (the variable can be used anywhere in the source file of code).