PCEP Section 2a: Make decisions with if instruction

Which of the following is the correct syntax for a simple `if` statement in Python?

• if x > 10 then print("x is greater than 10")

• if x > 10: print("x is greater than 10")

• if (x > 10) { print("x is greater than 10") }

• if x > 10 print("x is greater than 10")

• Small

• Large

• Error

• 5

Which keyword is used to check multiple conditions in sequence after an initial `if` statement in Python?

• elseif

• elif

• else if

• when

• Positive

• Negative

• Zero

• Nothing

Which of the following is the correct way to nest an `if` statement inside another `if` statement in Python?

• if x > 0: if y > 0: print("Both positive")

• if x > 0 then if y > 0 then print("Both positive")

• if x > 0: { if y > 0: print("Both positive") }

• if x > 0: if y > 0 print("Both positive")

You want to print "Teenager" if the variable `age` is between 13 and 19 (inclusive). Which of the following code snippets will achieve this?

• if age >= 13 and age <= 19: print("Teenager")

• if age > 13 and age < 19: print("Teenager")

• if 13 < age < 19: print("Teenager")

• if age == 13 or age == 19: print("Teenager")

• A

• B

• C

• F

Which of the following code snippets will print "Even" if the variable `num` is even, and "Odd" otherwise?

• if num % 2 == 0: print("Even") else: print("Odd")

• if num % 2 == 0: print("Even") print("Odd")

• if num % 2 == 0: print("Even") elif num % 2 == 1: print("Odd")

• if num % 2 == 0: print("Even") else: print("Odd")

Suppose you have the following code: ```python x = 7 if x > 5: if x < 10: print("x is between 5 and 10") else: print("x is 10 or more") else: print("x is 5 or less") ``` What will be printed?

• x is 5 or less

• x is 10 or more

• x is between 5 and 10

• Nothing

Which of the following best describes the purpose of using nested `if` statements?

• To repeat code multiple times

• To check multiple unrelated conditions

• To check a condition only if another condition is true

• To define a function inside another function