15. What is printed by the following statements? 1 S= "python rocks" 2 print (s [7:11]) A. n rock B. rocks C. TypeError D. rock

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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please solve question 15 python

13. Which of the following options will produce the same output?
1 output = "
2
vari = -2
var2 = 0
while var1 != 0:
varim
varl + 1
G
var2
var2 - 1
7
print ("vari: " + str(var1) + "var2 " + str(var2))
A. varl -2, var2 = 0
B. varl = 0, var2 = -1
C. varl = 0, var2 = -2
D. This is an infinite loop, so nothing will be printed
3
6
14. What value is printed when this code runs?
word = 'brontosaurus'
diction
(0)
for letter in word:
if letter not in diction.keys ():
diction [letter] = 0
diction [letter] += 1
0
print (diction.get('o', 0) + 4)
A. 6 B. 4 C. 2 D. 10
def mystery (num_list):
for num in num_list:
if num < 0:
return False
else:
G
return True
print (mystery ([3, -1, 2]))
A. False B. True C. None D. It will not compile
15. What is printed by the following statements?
1 s="python rocks"
2 print (s [7:11])
A. n rock B. rocks C. TypeError D. rock
16. What will be printed when the following code executes?
:def test (a, b = 5):
2
print (a, b)
test (-3)
A. -35 B. -3,5 C. -3, b D. a, b E. a, 5
3
4
5
3
3
4
G
Transcribed Image Text:13. Which of the following options will produce the same output? 1 output = " 2 vari = -2 var2 = 0 while var1 != 0: varim varl + 1 G var2 var2 - 1 7 print ("vari: " + str(var1) + "var2 " + str(var2)) A. varl -2, var2 = 0 B. varl = 0, var2 = -1 C. varl = 0, var2 = -2 D. This is an infinite loop, so nothing will be printed 3 6 14. What value is printed when this code runs? word = 'brontosaurus' diction (0) for letter in word: if letter not in diction.keys (): diction [letter] = 0 diction [letter] += 1 0 print (diction.get('o', 0) + 4) A. 6 B. 4 C. 2 D. 10 def mystery (num_list): for num in num_list: if num < 0: return False else: G return True print (mystery ([3, -1, 2])) A. False B. True C. None D. It will not compile 15. What is printed by the following statements? 1 s="python rocks" 2 print (s [7:11]) A. n rock B. rocks C. TypeError D. rock 16. What will be printed when the following code executes? :def test (a, b = 5): 2 print (a, b) test (-3) A. -35 B. -3,5 C. -3, b D. a, b E. a, 5 3 4 5 3 3 4 G
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