header commentA multi-line comment at the top of a program surrounded by triple quotation marks on either side of the comment
Ex.
"""
This is a heading
It normally goes at the top of the program
"""variableA storage container for information (data)
Ex. message = "Hello there"
the variable name is `message`assignmentprocess of storing information in a variable (uses the equal sign: =)
the assignment operator is =concatenationjoining two strings together with the + symbol
Ex. "Hello " + "World"valueA single piece of data: can be stored in a variable
Ex. num = 5
The value in this line of code is 5literalA value that is not in a variable
Ex. "Any value not stored in a variable"data typeThe category of a value. The 3 types we cover are strings, integers and floatsintegerA whole number (includes negatives)
Ex. 17floatA number with a decimal
Ex. 3.14type conversionTreats one data type like another
Ex. int("81")
typecasts the string "81" to the integer 81.ExpressionA piece of code that produces a value
Ex. 100*9.99OperatorSymbols that affect neighboring values
Ex. +AssignmentPuts a value in a variable
Ex. variable = valueIncrement byIncrease a variable by an amount
Ex. age+=1 or age = age+1Decrement byDecrease a variable by an amount
Ex. apples-=1 or apples = apples-1Multiply byMultiply a variable by an amount
Ex. money*=2 or money = money*ModulesGet the remainder after division
Ex. 10%3 would get you 1Divide byDivide a variable by an amount
Ex. pie/=4 or pie = pie/4