Part 1 Summary Test

An operator able to check two values are not equal is code as: !=

!=

What is the output of the following piece of code if the user enters two lines containing 3 and 2 respectively? x = int(input()) y = int(input()) x = x % y y = y % x print(y) 1 3 2 0

0

What is the output of the following piece of code? x = 1 y = 2 x, y z = x, x, y z, y, z = x, y, z print(x, y, z) 2 1 2 1 2 2 1 1 2 1 2 1

112

What is the output of the following snippet? def fun(x): if c % 2 == 0: return 1 else: return 2 print(fun(fun(2))) 2None 1 the code will cause a runtime error 2

2

What is the output of the following snippet? def fun(inp =2, out =3): return inp * out print(fun(out =2)) 4 6 2 the snippet is erroneous and will cause SyntaxError

4

Which of the following sentences are true about the code? (Select two answers) nums = [1, 2, 3] vals = nums nums and vals are different names of the same list vals is longer tha nums nums and vals are different lists nums has the same length as vals

nums and vals are different names of the same list nums has the same length as vals

Take a look at the snippet and choose the true statement: nums = [1, 2, 3] vals = nums del vals[:] the snippet will cause a runtime error vals is longer than nums nums is longer than vals nums and vals have the same length

nums and vals have the same length

What is the output of the following snippet? def fun(x, y): if x == y: return x else: return fun(x, y-1) print(fun(0,3)) 1 2 the snippet will cause a runtime error 0

0

What will be the output of the following snippet? a = 1 b = 0 a = a ^ b b = a ^ b a = a ^ b print (a, b) 1 1 0 0 1 0 0 1

0 1

What is the output of the following code if the user enters a 0 ? try: value = input("Enter a value: ") print(int(value) / len(value)) except ValueError: print("Bad input...") except ZeroDivisionError: print("Very bad input...") except TypeErrorq: print("Very very bad input...") except: print("Booo!") Very bad input... Very very bad input... Bad input... Booo! 0.0 1.0

0.0

What is the output of the following piece of code? x = 1 // 5 + 1 / 5 print(x) 0.0 0 0.4 0.2

0.2

What is the output of the following piece of code if the user enters two lines containing 2 and 4 respectively? x = float(input()) y = float(input()) print(y **(1 / x)) 4.0 2.0 0.0 1.0

2.0

What is the output of the following snippet? dct = {} dct['1'] = (1, 2) dct['2'] = (2, 1) for x in dct.keys(): print(dct[x][1], end="") 21 (2,1) 12 (1,2)

21

What is the output of the following snippet? tup = (1, 2, 4, 8) tup = tup[-2:-1] tup = tup[-1] print(tup) 44 4 (4) (4,)

4

What is the output of the following piece of the code if the user enter two lines containing 3 and 6 respectively? y = input() x = input() print(x + y) 36 3 63 6

63

Which of the following variable names are illegal and will cause the SystemError exception? (Select two answers) print in for in

In For

The result of the following division: 1 // 2 is equal to 0.5 is equal to 0 is equal to 0.0 cannot be predicted

Is equal to 0

The following snippet: def func(a, b): reeturn b ** a print(func(b=2, 2)) will output 4 will output None will output 2 is erroneous

Is erroneous

Assuming that my_tuple is a correctly crated tuple, the fact that tuples are immutable means that the following instruction: my_tuple[1] = my_tuple[1] + my_tuple[0] may be illegal if the tuple contains strings is illegal can be executed if and only if the tuple contains at least two elements is full correct

Is illegal

What is the output of the following snippet? dct = {'one': 'two', 'three': 'one', 'two': 'three'} v = dct['three'] for k in range(len(dct)): v = dct[v] print(v) two ('one', 'two', 'three') three one

One

What will happen when you attempt to run the following code? print(Hello, World) The code will raise the AttributeError exception. The code will raise the systemError exception. The code will raise the ValueError exception. The code will print Hello World to the console. The code will raise the TyepError exception.

The code will raise the systemError exception.

What is the expected behavior of the following program? try: print(5/0) break: except: print("Sorry, something went wrong...") except(ValueError, ZeroDivisionError): print("Too bad...") The program will cause a ValueError exception and output the following message Too bad... The program will cause a SyntaxError exception The program will cause a ValueError exception and output a default error message. The program will raise an exception handle by the first except block. The program will cause a ZeroDivisionError exception and output the following message: Too bad... The program will cause a ZeroDivisionError exception and output a default error message.

The program will cause a SyntaxError exception

What is the expected behavior of the following program? foo = (1, 2, 3) foo.index(0) The program will cause a ValueError exception. The program will output 1 to the screen. The program will cause a SyntaxError exception. The program will cause a TypeError exception. The program will cause an AttributeError exception.

The program will cause a ValueError exception.

How many hashes (*) will the following snippet sent to the console? lst = [[x for x in range(3)] for y in range(3)] for r in range(3): for c in rang(3): if lst[r][c] % 2 != 0: print("#") nine zero three six

Three

What value will be assignment to the x variable? z = 0 y = 0 x = y < z and z > y or y > z and z < y False 0 1 True

True

The following snippet: def function_1(a): return None def function_2(a): return function_1(a) * functin_1(a) print(function_2(2)) will output 16 will crate a runtime error will output 4 will output 2

Will create a runtime error

How many element does the lst list contain? lst = [i for i in range(-1, -2)] two three zero one

Zero

What is the output of the following snippet? my_list = [x * x for x in range (5)] def fun(lst): del lst[lst[2]] return lst print(fun(my_list)) [0 , 1, 4, 9] [0, 1, 4, 16] [0, 1, 9, 16] [1, 4, 9, 16]

[0 , 1, 4, 9]

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

[1, 1, 1, 2]

What is the output of the following piece of code? print("a", "b", "c", sep="sep") a b c abc asepbsepcsep asepbsepc

asepbsepc

Which if the following snippets shows the correct way of handing multiple excepting in a single except clause? except TypeError, ValueError, ZeroDivisinError: # Some code. except: (TypeError, ValueError, ZeroDivisinError) # Some code. except TypeError, ValueError, ZeroDivisinError # Some code. except: TypeError, ValueError, ZeroDivisinError # Some code. except: (TypeError, ValueError, ZeroDivisinError): # Some code. except (TypeError, ValueError, ZeroDivisinError) # Some code.

except: (TypeError, ValueError, ZeroDivisinError): # Some code.

Which of the following lines correctly. invoke the function defined below? (Select two answers) def fun(a, b, c=0): #Body of the function. fun() fun(0, 1, 2) fun(b=0, a=0) fun(b=1)

fun(0, 1, 2) fun(b=0, a=0)

The meaning of a positional argument is determined by: its position within the argument list its connection with existing variables its value the argument's name specified along with its value

its position within the argument list

What is the output of the following snippet? dd = {"1": "0", "0": "1"} for x in dd.vals(): print(x, end="") 0 1 1 0 0 0 the code is erroneous(the dict object has no vals() method)

the code is erroneous(the dict object has no vals() method)t

How many stars (*) will the following snippet send to the console? i =0 while i < i + 2 : i += 1 print("*") else: print("*") zero the snippet will enter an infinite loop, printing one star per line one two

the snippet will enter an infinite loop, printing one star per line