2.2 programming fundamentals

Which of these is a variable?

• if name == "fred"

• number = 74

• pass = True

• PI = 3.14

Which of these is a constant?

• name = "john"

• age = 25

• PI = 3.14

• isTrue = False

Which of these is a boolean?

• name = "sarah"

• age = 30

• isTrue = False

• PI = 3.14

Which of these is the definition of casting?

• Changing one data type into another
• Using a fishing rod

• Temporarily changing a data type

• Assigning a variable

• Treating a broken bone

Which of these is an example of data type conversion?

• name = 'john'

• age = 25

• int('123')

• isTrue = False

Which of these is a function?

• 
• 
• 
• 

Which of these are a 1d array?

• furniture = ["table","chair","television",stool"]

• fruits = [["apple",3],["cherry",4]["mango",7]]

• numbers = [56,23,12,4,0,65,4]

• colours = ["blue","red",7,"orange"]

Which of these are selection?

• for loop
• print statement
• try except block
• if, elif, else statements

Which of these are iteration?

• if statements
• switch statements
• for loops, while loops, list comprehensions
• function declarations

Which of these are a boolean?

• yes
• no
• maybe
• true, false