PCEP-30-02 Exam Questions

What is the expected output of the following code? ```python data = ((1, 2,)) * 7 print(len(data[3:8])) ```

What is the expected output of the following code? ```python data = {'Peter': 30, 'Paul': 31} print(list(data.keys())) ```

What is the output of the following snippet? ```python tup = (1, ) + (1, ) tup = tup + tup print(len(tup)) ```

What is the expected output of the following code? ```python data = (1, 2, 4, 8) data = data[-2:-1] data = data[-1] print(data) ```

What is the output of the following snippet? ```python my_list = [1, 2] for v in range(2): my_list.insert(-1, my_list[v]) print(my_list) ```

What is the expected output of the following code? ```python data = [1, 2, 3, None, (), [], [] ] print(len(data)) ```

A data structure described as LIFO is actually a:

How would you remove all the items from the d dictionary? Expected output: ``` {} ``` Code: ```python d = {'A' : 1, 'B' : 2, 'C' : 3} ```

What is the expected output of the following code? ```python data = {'one': 'two', 'two': 'three', 'three': 'one'} res = data['three'] for _ in range(len(data)): res = data[res] pr...

What is the expected output of the following code? ```python data = {'name': 'Peter', 'age': 30} person = data.copy() print(id(data) == id(person)) ```

Which one of the lines should you put in the snippet below to match the expected output? Expected output: ``` [4, 1, 7, 2, 'A'] ``` Code: ```python list = ['A', 2, 7, 1, 4] # enter...

What is the expected output of the following code? ```python data1 = '1', '2' data2 = ('3', '4') print(data1 + data2) ```

An alternative name for a data structure called a stack is:

What is the expected output of the following code? ```python 1 w = [7, 3, 23, 42] 2 x = w[1:] 3 y = w[1:] 4 z = w 5 y[0] = 10 6 z[1] = 20 7 print(w) ```

Take a look at the snippet and choose one of the following statements which is true: ```python 1 nums = [] 2 vals = nums 3 vals.append(1) ```

```python 1 data = {'a': 1, 'b': 2, 'c': 3} 2 print(data['a'], 'b']) ```

How many elements does the L list contain? ```python 1 L = [i for i in range(-1, -2)] ```

What is the output of the following snippet? ```python 1 my_list = [0, 1, 2, 3] 2 x = 1 3 for elem in my_list: 4 x *= elem 5 print(x) ```

What is the expected output of the following code? ```python 1 nums = [1, 2, 3] 2 data = ('Peter', ) * (len(nums) - nums[::-1][0]) 3 print(data) ```

What is the expected output of the following code? ```python 1 t1 = (1, 4, 9) 2 t2 = ('A', 'D', 'Z') 3 t3 = (True, False, None) 4 t4 = (5.0, 7.5, 9.9) 5 6 t1, t3 = t2, t4 7 print(t...

What is the expected output of the following code? ```python 1 data = () 2 print(data.__len__()) ```

```python 1 fruits1 = ['Apple', 'Pear', 'Banana'] 2 fruits2 = fruits1 3 fruits3 = fruits1[:] 4 5 fruits2[0] = 'Cherry' 6 fruits3[1] = 'Orange' 7 8 res = 0 9 10 for i in (fruits1, f...

What is the expected output of the following code? ```python 1 data = (1, ) * 3 2 data[0] = 2 3 print(data) ```

Which one of the lines should you put in the snippet below to match the expected output? Expected output: `[1, 2, 4, 7]` ```python 1 list = [2, 7, 1, 4] 3 # enter code here 5 print...

Which of the following sentences are true about the code? (Choose two.) ```python 1 nums = [1, 2, 3] 2 vals = nums ```

The second assignment: ```python 1 vals = [0, 1, 2] 2 vals[0], vals[1] = vals[1], vals[2] ```

What is the expected output of the following code? ```python 1 data = ['abc', 'def', 'abcde', 'efg'] 2 print(max(data)) ```

Which function does in-place reversal of objects in a list?

What is the output of the following snippet? ```python my_list_1 = [1, 2, 3] my_list_2 = [] for v in my_list_1: my_list_2.insert(0, v) print(my_list_2) ```

What snippet would you insert in the line indicated below to print. The highest number is 10 and the lowest number is 1. to the monitor? ```python data = [10, 2, 1, 7, 5, 6, 4, 3,...

What is the output of the following snippet? ```python my_list = ['Mary', 'had', 'a', 'little', 'lamb'] del my_list[3] my_list[3] = 'ram' print(my_list) ```

What is the expected output of the following code? ```python data = ['Peter', 'Paul', 'Mary'] print(data[int(-1 / 2)]) ```

What is the expected output of the following code? ```python data = {1: 0, 2: 1, 3: 2, 0: 1} x = 0 for _ in range(len(data)): x = data[x] print(x) ```

What is the expected output of the following code? ```python list = ['Peter', 'Paul', 'Mary'] def list(data): del data[1] data[1] = 'Jane' return data print(list(list)) ```

What is the expected output of the following code? ```python data = {} data['2'] = [1, 2] data['1'] = [3, 4] for i in data.keys(): print(data[i][i], end=' ') ```

What is the expected output of the following code? ```python data1 = (1, 2) data2 = (3, 4) [print(sum(x)) for x in [data1 + data2]] ```

After execution of the following snippet, the sum of all vals elements will be equal to: ```python vals = [0, 1, 2] vals.insert(0, 1) del vals[1] ```

What is the expected output of the following code? ```python data = set([1, 2, 2, 3, 3, 3, 4, 4, 4, 4]) print(len(data)) ```

What is the output of the following snippet? ```python my_list = [x * x for x in range(5)] def fun(lst): del lst[2] return lst print(fun(my_list)) ```

What is the expected output of the following code? a = [1, 2, 3, 4, 5] print(a[3:0:-1])

What is the expected output of the following code? data = {'1': '0', '0': '1'} for d in data.vals(): print(d, end='')

What code would you insert instead of the comment to obtain the expected output? Expected output: a b c dictionary = {} my_list = ['a', 'b', 'c', 'd'] for i in range(len(my_list) -...

What is the expected output of the following code? data = [ [1, 2, 3, 4], [5, 6, 7, 8], [9, 10, 11, 12], [13, 14, 15, 16] ] for i in range(0, 4): print(data[i].pop(), end='')

What is the expected output of the following code? data = [[0, 1, 2, 3] for i in range(2)] print(data[2][0])

What is the expected output of the following code? numbers = [1, 2, 3, 4, 5] nums = numbers[2 : ] print(nums)

You develop a Python application for your company. A list named employees contains 200 employee names, the last five being company management. You need to slice the list to display...

What is the expected output of the following code? data = [1, 2, 3, 4, 5, 6] for i in range(1, 6): data[i - 1] = data[i] for i in range(0, 6): print(data[i], end='')

What is the expected output of the following code? x = [1, 2, 3, 4, 5, 6, 7, 8, 9] x[::2] = 10, 20, 30, 40, 50, 60 print(x)

What is the expected output of the following code? box = {} jars = {} crates = {} box['biscuit'] = 1 box['cake'] = 3 jars['jam'] = 4 crates['box'] = box crates['jars'] = jars print...

What is the expected output of the following code? data = 'Hello@Peter!!' print(data.lower())