Programming In Class Notes 9/16/16

• Four Basic Elements of Programming
• Sequential Execution
• Top to Bottom
• Selection
• Branching
• Chapter 5
• Looping, Repetition, While
• Chapter 7
• Sub Routine, Function
• Chapter 3
• Chapter 6
• How Do You Divide A Number And Have The Solution Have No Decimals (Floor Division)?
•  print (first number // second number)
• How Do You Find The Remainder of Two Numbers Divided By Each Other (Modulus)?
• first number % second number
• How Do You Compare Two Variables?
• To see if they are equal
• first variable == second variable
• To see if one is greater than the other
• first variable > second variable
• To see if one is less than another
• first variable < second variable
• If at least one statement is true in an or statement and the rest are false...
• The entire statement is true
• If only one statement is true in an and statement, and the rest are false.....
• The entire statement is false
• Or statements are only false if.....
• All statements involved are false
• Not Statements are...
• True when the statement is false
• False when the statement is true
• What are the types of True and False?
• Boolean
• How Are Strings Organized Like Numbers in Python?
• Shorter strings are considered less than longer strings
• Empty strings are the shortest strings that can exist (Empty strings have nothing in them, this is not the same as having a string with spaces in them)
• Capital letters are considered less than lowercase letters
• Inequalities
• Greater than or equal to
• >=
• Less than or equal to
• <=
• Less than
• <
• Greater than
• >
• How do you convert a string variable into being uppercase?
• str.upper(variable name)
• How do You Write an Else Statement?
• You write it at the same indentation as the if statement, but right below the if statement
• else :
• How do You Write and What is An Else If Statement?
• You write it below and at the same indentation of an if statement
• It works as an alternative to the first If statement
• elif variable name