Anatomy of a Computer Program

Reserved Keywords

Identifiers

Variables:
Constants:
Subroutines:

Values

String Values:
Integer Values:
Float/Real Values:
Boolean Values:
defcalculateArea():
        PI=3.14
        circle=True
        ifcircle==True:
                #Ask user to enter a radius
                radius=int(input("Enter a radius:"))
                whileradius<=0 or radius>100:
                        radius=int(input("Enter a valid radius"))
                #Calculate and output the area of the circle
                area=PI*radius**2
                print("Area:")
                print(area)

Computing Operators

Assignment Operators
Arithmetic Operators
Comparison Operators
Boolean Operators

Punctuation

Comments