Python Loop and Control Statements Quiz

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Questions and Answers

What is the value of 'i' when the loop begins execution?

1 (correct)

What will happen during the first iteration of the loop?

The loop will terminate immediately. (correct)

The value of i will be incremented by 1.

The loop will execute without entering the if statement.

The code will print the value of i.

Which of the following statements is true regarding the if statement within the loop?

The if statement never gets executed. (correct)

The if statement will always evaluate to true.

The if statement causes an infinite loop.

The if statement will only execute if i is odd.

What will be printed by the code?

No output Signup and view all the answers

What is the purpose of the 'break' statement in the code?

To exit the loop if the condition is not met. Signup and view all the answers

What will be the output of the first code snippet that initializes A and iterates through a range of 4?

1 Signup and view all the answers

In the first code snippet, what will the value of A be after the loop finishes execution?

2 Signup and view all the answers

What will be printed by the second code snippet that uses a while loop with count?

0 3 6 9 12 15 Signup and view all the answers

For the given boolean expressions in the third code snippet, what will be printed?

c Signup and view all the answers

In the third code snippet, which conditions evaluate to false for the print statements?

all conditions evaluate to true Signup and view all the answers

What will be the output of the following program on execution: print('''tom ... harry''')?

tom sam harry Signup and view all the answers

What will be the output of the command: print(print(print('python')))?

None Signup and view all the answers

Which operator is used for exponentiation in Python?

** Signup and view all the answers

What is the result of the expression 34 % 3?

1 Signup and view all the answers

What happens when you attempt to execute: print('tom sam harry')?

Outputs with line breaks as shown Signup and view all the answers

What is the erroneous output for the command: print(”’tomsamharry”’)?

Error: Invalid quotes Signup and view all the answers

What is the output of the following code: print('this is a number:', 42)?

this is a number: 42 Signup and view all the answers

Which of the following Python print statements causes an error?

print(‘tomsam’) Signup and view all the answers

What will be the output of the code when the 'play' method is called from the Son class?

Child class Signup and view all the answers

Why does the code not raise an error when an instance of Son is created and its 'play' method is invoked?

The Son class implements all abstract methods. Signup and view all the answers

What will be the result if arr2 is incorrectly defined in the given NumPy code?

The code will produce a concatenation error. Signup and view all the answers

What is the purpose of the np.concatenate function in the provided code?

To merge two arrays into one. Signup and view all the answers

What will be the shape of the array after the concatenation if arr2 is defined as np.array([[9]])?

(3, 3) Signup and view all the answers

What type of class is Father in the provided code example?

Abstract class Signup and view all the answers

How many total methods are defined in the Father class?

2 Signup and view all the answers

If the statement 'print(arr)' is executed and arr is formed by concatenating valid arrays, what will it output?

A 2-dimensional array. Signup and view all the answers

What is the output of the following code? x=2; for i in range(x): x -= 2; print(x)

-2 Signup and view all the answers

In which type of loop can the continue statement be utilized?

all types of loops Signup and view all the answers

What will be the output of the following code? int("Enter value of x:")

Error Signup and view all the answers

What is the output of the following code? for i in range[0, 10]: print("They are equal"); else: print("They are unequal")

SyntaxError Signup and view all the answers

What will the output of the following code be? a=5; b=5.0; print('yes') if (a==b) else 'no'

yes Signup and view all the answers

What is the likely result of attempting to execute the following Python code block? int("Enter value of x:")

ValueError raised Signup and view all the answers

How does the print statement behave in this code? for i in range(0, 10): print("They are equal")

Prints 'They are equal' ten times Signup and view all the answers

Which of these statements is true regarding the use of float and integer comparisons?

An integer can be equal to a float if they have the same value Signup and view all the answers

What will be the output of the following code: `x = np.where(arr%2 == 1)` where `arr` is defined as `np.array([1, 2, 3, 4, 5, 6, 7, 8])`?

array([0, 2, 4, 6]) Signup and view all the answers

What is the output of the following code snippet? `print(arr[0,1],arr[1,1])` where `arr` is defined as `np.array([[1,2,3,4,5], [6,7,8,9,10]])`?

18 Signup and view all the answers

What will this code output? `obj = der()` followed by `print(obj.x, obj.y)` if `der` inherits from `A` and has its own constructor?

5 3 Signup and view all the answers

Considering the class structure, what is the purpose of `super().init()` in class `der`?

To initialize an instance of class <code>A</code> Signup and view all the answers

What will the code block `print(x)` output after executing `x = np.where(arr%2 == 1)`?

tuple with arrays of indices Signup and view all the answers

In the given code, what will happen if `y` is not provided when creating an object of class `der`?

It will default <code>y</code> to 3, as per the constructor Signup and view all the answers

Which of the following statements is correct about the array `arr` defined as `np.array([1, 2, 3, 4, 5, 6, 7, 8])`?

It has a dimension of 1 and a shape of (8,). Signup and view all the answers

What will be the output if the following code is run: `arr = np.array([[1,2],[3,4]]); print(arr[0][1])`?

2 Signup and view all the answers

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Test your understanding of Python loops and control statements with this engaging quiz. Questions cover various aspects including the 'for' loop, 'while' loop, 'if' statements, and more. Perfect for learners who wish to solidify their Python coding skills.

Python Loop and Control Statements Quiz

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Questions and Answers

What is the value of 'i' when the loop begins execution?

What will happen during the first iteration of the loop?

Which of the following statements is true regarding the if statement within the loop?

What will be printed by the code?

What is the purpose of the 'break' statement in the code?

What will be the output of the first code snippet that initializes A and iterates through a range of 4?

In the first code snippet, what will the value of A be after the loop finishes execution?

What will be printed by the second code snippet that uses a while loop with count?

For the given boolean expressions in the third code snippet, what will be printed?

In the third code snippet, which conditions evaluate to false for the print statements?

What will be the output of the following program on execution: print('''tom ... harry''')?

What will be the output of the command: print(print(print('python')))?

Which operator is used for exponentiation in Python?

What is the result of the expression 34 % 3?

What happens when you attempt to execute: print('tom sam harry')?

What is the erroneous output for the command: print(”’tomsamharry”’)?

What is the output of the following code: print('this is a number:', 42)?

Which of the following Python print statements causes an error?

What will be the output of the code when the 'play' method is called from the Son class?

Why does the code not raise an error when an instance of Son is created and its 'play' method is invoked?

What will be the result if arr2 is incorrectly defined in the given NumPy code?

What is the purpose of the np.concatenate function in the provided code?

What will be the shape of the array after the concatenation if arr2 is defined as np.array([[9]])?

What type of class is Father in the provided code example?

How many total methods are defined in the Father class?

If the statement 'print(arr)' is executed and arr is formed by concatenating valid arrays, what will it output?

What is the output of the following code? x=2; for i in range(x): x -= 2; print(x)

In which type of loop can the continue statement be utilized?

What will be the output of the following code? int("Enter value of x:")

What is the output of the following code? for i in range[0, 10]: print("They are equal"); else: print("They are unequal")

What will the output of the following code be? a=5; b=5.0; print('yes') if (a==b) else 'no'

What is the likely result of attempting to execute the following Python code block? int("Enter value of x:")

How does the print statement behave in this code? for i in range(0, 10): print("They are equal")

Which of these statements is true regarding the use of float and integer comparisons?

What will be the output of the following code: x = np.where(arr%2 == 1) where arr is defined as np.array([1, 2, 3, 4, 5, 6, 7, 8])?

What is the output of the following code snippet? print(arr[0,1],arr[1,1]) where arr is defined as np.array([[1,2,3,4,5], [6,7,8,9,10]])?

What will this code output? obj = der() followed by print(obj.x, obj.y) if der inherits from A and has its own constructor?

Considering the class structure, what is the purpose of super().__init__() in class der?

What will the code block print(x) output after executing x = np.where(arr%2 == 1)?

In the given code, what will happen if y is not provided when creating an object of class der?

Which of the following statements is correct about the array arr defined as np.array([1, 2, 3, 4, 5, 6, 7, 8])?

What will be the output if the following code is run: arr = np.array([[1,2],[3,4]]); print(arr[0][1])?

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Quiz de programmation Python

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What will be the output of the following code: `x = np.where(arr%2 == 1)` where `arr` is defined as `np.array([1, 2, 3, 4, 5, 6, 7, 8])`?

What is the output of the following code snippet? `print(arr[0,1],arr[1,1])` where `arr` is defined as `np.array([[1,2,3,4,5], [6,7,8,9,10]])`?

What will this code output? `obj = der()` followed by `print(obj.x, obj.y)` if `der` inherits from `A` and has its own constructor?

Considering the class structure, what is the purpose of `super().init()` in class `der`?

What will the code block `print(x)` output after executing `x = np.where(arr%2 == 1)`?

In the given code, what will happen if `y` is not provided when creating an object of class `der`?

Which of the following statements is correct about the array `arr` defined as `np.array([1, 2, 3, 4, 5, 6, 7, 8])`?

What will be the output if the following code is run: `arr = np.array([[1,2],[3,4]]); print(arr[0][1])`?