programing

• procedure prints data
• function returns data
• add = +
• subtract = -
• divide = /
• multiply = *
• modulus (remainder)= %
• integer division (round down)= //
• power =**
• != not equal to
• selection= decision (select)
• What does the function print() do in Python?


  Displays text on the screen
• What is the purpose of the input() function in Python?


  It prompts a user to enter data via the keyboard
• What does the int() function specify in Python?


  That the data you want is an integer(number)
• What does the str() function specify in Python?


  That the data you want is a string
• What does the float() function specify in Python?


  That the data you want is a float
• What is the function of help() in Python?


  It provides a built-in help system
• How would you use the help() function in Python?


  By typing help(print) in the shell
• What does the len() function do in Python?


  Tells you the length of an object
• How can you test the len() function in Python?


  By trying len("duuude") in the shell
• What does the type() function do in Python?


  Tells you the type of an object
• How can you test the type() function in Python?


  By trying type(1) or type(1.1) in the shell
• What is the purpose of the range() function in Python?


  It allows a range of numbers to be used
• How is the range() function frequently used in Python?


  With a for loop
• What does the list() function do in Python?


  Can take a string and convert it to a list
• What are the main functions discussed in the study material?

  • print(): Displays text on the screen
  • input(): Prompts user to enter data
  • int(): Specifies integer data
  • str(): Specifies string data
  • float(): Specifies float data
  • help(): Built-in help system
  • len(): Tells length of an object
  • type(): Tells type of an object
  • range(): Allows a range of numbers
  • list(): Converts a string to a list
• Write a program that reads the base and the height of a right-angled triangle and prints the area.


  height=int(input())

  base=int(input())

  print(height*base/2)
• Write a program that greets the person by printing the word "Hi" and the name of the person


  name = input()

  print("Hi",(name))
• What is the main component of a computer program?

  Sequence
• What does sequence refer to in programming?

  Ordered list of instructions in a program
• What is iteration in programming?

  Looping or repeating of code
• How would you print "Hello" 5 times using iteration?

  By looping the print instruction 5 times
• What is selection in programming?

  Making decisions in code
• What does a condition do in selection?

  Checks which direction the selection code takes
• What is a variable used for in programming?

  To store values in code
• How does a variable work with user input?

  Stores user input for later use
• What is decomposition in programming?

  Breaking down a large problem into smaller problems
• Why is decomposition useful?

  Makes it easier to solve complex problems
• What is abstraction in programming?

  Removing unnecessary information from a problem
• How does abstraction help in programming?

  Focuses on the core issue of a problem