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Questions and Answers
Given x = 5
and y = 10
, predict the output of the following Python code snippet:
print("A") if x > y else print("=") if x == y else print("B")
Given x = 5
and y = 10
, predict the output of the following Python code snippet:
print("A") if x > y else print("=") if x == y else print("B")
- Error
- B (correct)
- =
- A
What distinguishes a ternary operator from binary and unary operators in Python?
What distinguishes a ternary operator from binary and unary operators in Python?
- Ternary operators can only be used with integer operands.
- Ternary operators are evaluated at compile time, while binary and unary operators are evaluated at runtime.
- Ternary operators are exclusive to boolean expressions, while binary and unary operators are not.
- Ternary operators require three operands, while binary and unary operators require two and one, respectively. (correct)
Examine the code:
a = 15
b = 10
print("A") if a > b else print("=") if a == b else print("B")
What will be the output?
Examine the code:
a = 15
b = 10
print("A") if a > b else print("=") if a == b else print("B")
What will be the output?
- B
- A (correct)
- =
- No output
Under what circumstance is the pass
statement essential within if
statements in Python?
Under what circumstance is the pass
statement essential within if
statements in Python?
Consider the code:
a = 5
b = 5
print("Yes") if a > b else print("Equal") if a == b else print("No")
What will be printed?
Consider the code:
a = 5
b = 5
print("Yes") if a > b else print("Equal") if a == b else print("No")
What will be printed?
If you need to execute a block of code only when two conditions are true, which logical operator should you use in your if
statement?
If you need to execute a block of code only when two conditions are true, which logical operator should you use in your if
statement?
What is the outcome of the following code block?
a = 100
b = 200
if not a > b:
print("a is not greater than b")
else:
print("a is greater than b")
What is the outcome of the following code block?
a = 100
b = 200
if not a > b:
print("a is not greater than b")
else:
print("a is greater than b")
What will the following code print?
a = [1, 2, 3]
if 4 not in a:
print("4 is not in the list")
else:
print("4 is in the list")
What will the following code print?
a = [1, 2, 3]
if 4 not in a:
print("4 is not in the list")
else:
print("4 is in the list")
Given the following list, what will be printed by the code below?
my_list = ["apple", "banana", "cherry"]
if "banana" in my_list:
print("Banana found!")
else:
print("Banana not found!")
Given the following list, what will be printed by the code below?
my_list = ["apple", "banana", "cherry"]
if "banana" in my_list:
print("Banana found!")
else:
print("Banana not found!")
Consider the following code:
x = 5
y = 10
if x > y or x < y:
print("Condition is true")
else:
print("Condition is false")
What will the output be?
Consider the following code:
x = 5
y = 10
if x > y or x < y:
print("Condition is true")
else:
print("Condition is false")
What will the output be?
Analyze the following Python code. What output would it produce?
a = 7
if a % 2 == 0:
print("Even")
else:
print("Odd")
Analyze the following Python code. What output would it produce?
a = 7
if a % 2 == 0:
print("Even")
else:
print("Odd")
What is the simplified equivalent of the following nested if
statements using elif
?
score = 75
if score >= 90:
print("A")
else:
if score >= 80:
print("B")
else:
if score >= 70:
print("C")
else:
print("D")
What is the simplified equivalent of the following nested if
statements using elif
?
score = 75
if score >= 90:
print("A")
else:
if score >= 80:
print("B")
else:
if score >= 70:
print("C")
else:
print("D")
Determine the output of this code snippet:
x = 10
y = 5
if x > y and y > 0:
print("Both conditions are true")
else:
print("At least one condition is false")
Determine the output of this code snippet:
x = 10
y = 5
if x > y and y > 0:
print("Both conditions are true")
else:
print("At least one condition is false")
Examine this code. What will be the result?
a = 10
b = 5
if not a < b:
print("a is not less than b")
else:
print("a is less than b")
Examine this code. What will be the result?
a = 10
b = 5
if not a < b:
print("a is not less than b")
else:
print("a is less than b")
Consider the following code snippet that determines if a number is positive, negative or zero. Choose the option that uses elif
statements to achieve the intended outcome most efficiently.
num = -5
# Missing Code
Consider the following code snippet that determines if a number is positive, negative or zero. Choose the option that uses elif
statements to achieve the intended outcome most efficiently.
num = -5
# Missing Code
If x = [1, 2, 3, 4, 5]
, what will the following code output?
if 3 in x and 6 not in x:
print("Condition met")
else:
print("Condition not met")
If x = [1, 2, 3, 4, 5]
, what will the following code output?
if 3 in x and 6 not in x:
print("Condition met")
else:
print("Condition not met")
Analyze this code block, and indicate its output:
a = 5
b = 10
if a > b or a == 5:
print("Condition is true")
else:
print("Condition is false")
Analyze this code block, and indicate its output:
a = 5
b = 10
if a > b or a == 5:
print("Condition is true")
else:
print("Condition is false")
Consider the following code:
a = ["apple", "banana", "cherry"]
if "orange" not in a:
print("Orange is not in the list")
else:
print("Orange is in the list")
What output will this code produce?
Consider the following code:
a = ["apple", "banana", "cherry"]
if "orange" not in a:
print("Orange is not in the list")
else:
print("Orange is in the list")
What output will this code produce?
What is the output of the following code?
x, y = 5, 5
if x > y:
print("x is greater than y")
elif x < y:
print("x is less than y")
else:
print("x is equal to y")
What is the output of the following code?
x, y = 5, 5
if x > y:
print("x is greater than y")
elif x < y:
print("x is less than y")
else:
print("x is equal to y")
What output will the following code produce?
a = 10
if a % 2 == 0 and a > 5:
print("Condition is met")
else:
print("Condition is not met")
What output will the following code produce?
a = 10
if a % 2 == 0 and a > 5:
print("Condition is met")
else:
print("Condition is not met")
Predict the output of this code:
a = 5
if a > 10:
print("Greater than 10")
elif a > 5:
print("Greater than 5")
else:
print("Not greater than 5")
Predict the output of this code:
a = 5
if a > 10:
print("Greater than 10")
elif a > 5:
print("Greater than 5")
else:
print("Not greater than 5")
Given the following code, what output will be generated?
list1 = ["apple", "banana", "cherry"]
if "date" in list1:
print("Date is in list1")
else:
print("Date is not in list1")
Given the following code, what output will be generated?
list1 = ["apple", "banana", "cherry"]
if "date" in list1:
print("Date is in list1")
else:
print("Date is not in list1")
What is the result of the following code execution?
a = 0
if a > 0:
print("Positive")
elif a < 0:
print("Negative")
else:
print("Zero")
What is the result of the following code execution?
a = 0
if a > 0:
print("Positive")
elif a < 0:
print("Negative")
else:
print("Zero")
Consider the values x = 7
and y = 3
. What will the following code print?
if x % y == 1:
print("Remainder is 1")
elif x % y == 2:
print("Remainder is 2")
else:
print("No specific remainder")
Consider the values x = 7
and y = 3
. What will the following code print?
if x % y == 1:
print("Remainder is 1")
elif x % y == 2:
print("Remainder is 2")
else:
print("No specific remainder")
What does the following code output?
a = 15
b = 25
if (a > 10 and b < 20) or (a < 10 and b > 20):
print("Condition is True")
else:
print("Condition is False")
What does the following code output?
a = 15
b = 25
if (a > 10 and b < 20) or (a < 10 and b > 20):
print("Condition is True")
else:
print("Condition is False")
Predict what the following code will output.
list_a = [1, 2, 3]
list_b = [4, 5, 6]
if 7 not in list_a and 4 in list_b:
print("Both conditions are met.")
else:
print("At least one condition is not met.")
Predict what the following code will output.
list_a = [1, 2, 3]
list_b = [4, 5, 6]
if 7 not in list_a and 4 in list_b:
print("Both conditions are met.")
else:
print("At least one condition is not met.")
Given the code:
x = 10
y = 20
if x > y:
pass
else:
print("y is greater than or equal to x")
What is the output?
Given the code:
x = 10
y = 20
if x > y:
pass
else:
print("y is greater than or equal to x")
What is the output?
Flashcards
What is a short hand if?
What is a short hand if?
A way to write an if
statement on a single line.
What is a short hand if...else?
What is a short hand if...else?
A short hand if
statement that includes an else
condition.
What are operand categories?
What are operand categories?
Operators categorized by the number of operands they take: unary, binary, and ternary.
What is a unary operator?
What is a unary operator?
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What is a binary operator?
What is a binary operator?
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What is a ternary operator?
What is a ternary operator?
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What does the and
keyword do?
What does the and
keyword do?
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What does the or
keyword do?
What does the or
keyword do?
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What does the not
keyword do?
What does the not
keyword do?
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What is the pass
statement?
What is the pass
statement?
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What are membership operators?
What are membership operators?
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What is a list in Python?
What is a list in Python?
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What is the use of 'in' operator?
What is the use of 'in' operator?
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What is the use of 'not in' operator?
What is the use of 'not in' operator?
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How to determine if a number is odd or even?
How to determine if a number is odd or even?
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What are elif statements?
What are elif statements?
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Study Notes
Short Hand If
- Enables putting a single statement to execute on the same line as the if statement.
- Allows having one statement for if and one for else on the same line.
- This technique is known as Ternary Operators or Conditional Expressions.
- It is possible to have multiple else statements on the same line.
- Unary operators: Require one operand (e.g., a++, a--, ++a, --b, -a).
- Binary operators: Require two operands (e.g., a + b, a=b, a==b, a > 3).
- Ternary operators: Require three operands (e.g., condition ? val1 : val2).
Application of If Statements
- The "and" keyword is a logical operator used to combine conditional statements.
- The "or" keyword is a logical operator used to combine conditional statements.
- The "not" keyword is a logical operator used to reverse the result of the conditional statement.
- The "pass" statement is used in an if statement with no content to avoid getting an error.
Membership Operators
- Used to test if a sequence is presented in an object.
- "
in
" operator: Returns True if a sequence with the specified value is present in the object (e.g., x in y). - "
not in
" operator: Returns True if a sequence with the specified value is not present in the object (e.g., x not in y). - Lists are used to store multiple items in a single variable and are created using square brackets.
- Lists are one of 4 built-in data types in Python used to store collections of data, the other 3 are Tuple, Set, and Dictionary, all with different qualities and usage.
Odd/Even Determination Program
- When a is divided by 2, if the remainder is 0, it is even
- When a is divided by 2, if the remainder is not 0, it is odd
Program to compare two numbers
- Using elif statements will allow for more efficient coding
Grade Calculation Program
- A program can be written to calculate grades using elif statements
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