Description : Read the code shown below carefully and pick out the keys? d = {"john":40, "peter":45} a) “john”, 40, 45, and “peter” b) “john” and “peter” c) 40 and 45 d) d = (40:”john”, 45:”peter”)
Last Answer : b) “john” and “peter”
Description : What is the output? d = {"john":40, "peter":45} d["john"] a) 40 b) 45 c) “john” d) “peter”
Last Answer : a) 40
Description : What will be the output? d1 = {"john":40, "peter":45} d2 = {"john":466, "peter":45} d1 > d2 a) True b) False c) Error d) None
Last Answer : c) Error
Description : What will be the output? d1 = {"john":40, "peter":45} Page No 40 d2 = {"john":466, "peter":45} d1 == d2 a) True b) False c) None d) Error
Last Answer : b) False
Description : What will be the output? d = {"john":40, "peter":45} "john" in d a) True b) False c) None d) Error
Last Answer : a) True
Description : What will be the output? d = {"john":40, "peter":45} d["john"] a) 40 b) 45 c) “john” d) “peter”
Description : Suppose d = { john :40, peter :45}, what happens when we try to retrieve a value using the expression d[ susan ]? a) Since susan is not a value in the set, Python raises a KeyError ... Python raises a KeyError exception d) Since susan is not a key in the set, Python raises a syntax error
Last Answer : c) Since “susan” is not a key in the set, Python raises a KeyError exception
Description : Suppose d = {“john”:40, “peter”:45}. To obtain the number of entries in dictionary which command do we use? a) d.size() b) len(d) c) size(d) d) d.len()
Last Answer : b) len(d)
Description : Suppose d = {“john”:40, “peter”:45}, to delete the entry for “john” what command do we use a) d.delete(“john”:40) b) d.delete(“john”) c) del d[“john”]. d) del d(“john”:40)
Last Answer : c) del d[“john”].
Description : Which of the following statements create a dictionary? a) d = {} b) d = {“john”:40, “peter”:45} c) d = {40:”john”, 45:”peter”} d) All of the mentioned
Last Answer : d) All of the mentioned
Description : What will be the output of the following Python code? d = {"john":40, "peter":45} d["john"] a) 40 b) 45 c) “john” d) “peter”
Last Answer : Answer: a Explanation: Execute in the shell to verify.
Description : What will be the output of the following Python code snippet? d1 = {"john":40, "peter":45} d2 = {"john":466, "peter":45} d1 > d2 a) True b) False c) Error d) None
Last Answer : Answer: c Explanation: Arithmetic > operator cannot be used with dictionaries.
Description : What will be the output of the following Python code snippet? d1 = {"john":40, "peter":45} d2 = {"john":466, "peter":45} d1 == d2 a) True b) False c) None d) Error
Last Answer : Answer: b Explanation: If d2 was initialized as d2 = d1 the answer would be true.
Description : What will be the output of the following Python code snippet? d = {"john":40, "peter":45} "john" in d a) True b) False c) None d) Error
Last Answer : Answer: a Explanation: In can be used to check if the key is int dictionary.
Description : What will be the output of the following Python code snippet? d = {"john":40, "peter":45} a) “john”, 40, 45, and “peter” b) “john” and “peter” c) 40 and 45 d) d = (40:”john”, 45:”peter”)
Last Answer : Answer: b Explanation: Dictionaries appear in the form of keys and values.
Last Answer : A
Description : The age of Discontinuity‘ (1969) has been authored by A. John Drydon B. Cyril Debydeen C. Peter F. Drucker D. None of these
Last Answer : C. Peter F. Drucker
Description : Suppose t = (1, 2, 4, 3), which of the following is incorrect? a) print(t[3]) b) t[3] = 45 c) print(max(t)) d) print(len(t))
Last Answer : b) t[3] = 45
Description : What is the output of the following code? a={1:"A",2:"B",3:"C"} a.clear() print(a) a) None b) { None:None, None:None, None:None} c) {1:None, 2:None, 3:None} d) { }
Last Answer : d) { }
Description : What is the output of the following code? a={1:"A",2:"B",3:"C"} b={4:"D",5:"E"} a.update(b) print(a) a) {1: ‘A’, 2: ‘B’, 3: ‘C’} b) Method update() doesn’t exist for dictionaries c) {1: ‘A’, 2: ‘B’, 3: ‘C’, 4: ‘D’, 5: ‘E’} d) {4: ‘D’, 5: ‘E’}
Last Answer : c) {1: ‘A’, 2: ‘B’, 3: ‘C’, 4: ‘D’, 5: ‘E’}
Description : What is the output of the following code? a={1:"A",2:"B",3:"C"} a.setdefault(4,"D") print(a) a) {1: ‘A’, 2: ‘B’, 3: ‘C’, 4: ‘D’}. b) None. c) Error.
Last Answer : a) {1: ‘A’, 2: ‘B’, 3: ‘C’, 4: ‘D’}.
Description : What is the output of the following code? a={1:"A",2:"B",3:"C"} print(a.setdefault(3)) a) {1: ‘A’, 2: ‘B’, 3: ‘C’} b) C c) {1: 3, 2: 3, 3: 3} d) No method called setdefault() exists for dictionary
Last Answer : b) C
Description : What is the output of the following code? a={1:"A",2:"B",3:"C"} print(a.get(5,4)) a) Error, invalid syntax b) A c) 5 d) 4
Last Answer : d) 4
Description : What is the output of the following piece of code? a={1:"A",2:"B",3:"C"} print(a.get(1,4)) a) 1 b) A c) 4
Last Answer : b) A
Description : What is the output of the following code? a={1:"A",2:"B",3:"C"} for i,j in a.items(): print(i,j,end=" ") a) 1 A 2 B 3 C b) 1 2 3 c) A B C d) 1:”A” 2:”B” 3:”C”
Last Answer : a) 1 A 2 B 3 C
Description : What will be the output? numberGames = {} numberGames[(1,2,4)] = 8 numberGames[(4,2,1)] = 10 numberGames[(1,2)] = 12 sum = 0 for k in numberGames: sum += numberGames[k] print len(numberGames) + sum Page No 36 a) 30 b) 24 c) 33 d) 12
Last Answer : a) 30
Description : What will be the output? >>>my_tuple = (1, 2, 3, 4) >>>my_tuple.append( (5, 6, 7) ) >>>print len(my_tuple) a) 1 b) 2 c) 5 d) Error
Last Answer : c) 5
Description : What is the output when following code is executed ? names1 = ['Amir', 'Bear', 'Charlton', 'Daman'] names2 = names1 names3 = names1[:] names2[0] = 'Alice' names3[1] = 'Bob' sum = 0 for ls in (names1, names2, names3): ... if ls[1] == 'Bob': sum += 10 print sum a) 11 b) 12 c) 21 d) 22
Last Answer : d) 22
Description : What is the output when following code is executed ? >>>names = ['Amir', 'Bear', 'Charlton', 'Daman'] >>>print(names[-1][-1]) a) A b) Daman c) Error d) n
Last Answer : b) Daman
Description : What is the output of the following? print("xyyzxyzxzxyy".count('xyy', -10, -1)) a) 2 b) 0 c) 1 d) error
Last Answer : b) 0
Description : What is the output of the following? print("xyyzxyzxzxyy".count('xyy', 2, 11)) a) 2 b) 0 c) 1 d) error
Description : What is the output of the following? print("xyyzxyzxzxyy".count('xyy', 0, 100)) a) 2 b) 0 c) 1 d) error
Last Answer : a) 2
Description : What is the output of the following? print("xyyzxyzxzxyy".count('yy', 2)) a) 2 b) 0 c) 1 d) none of the mentioned
Last Answer : c)
Description : What is the output of the following? print("xyyzxyzxzxyy".count('yy', 1)) a) 2 b) 0 c) 1 d) none of the mentioned
Description : What is the output of the following? print("xyyzxyzxzxyy".count('yy')) a) 2 b) 0 Page No 23 c) error d) none of the mentioned
Description : What is the output when following statement is executed ? >>> print(‘x\97\x98’) a) Error b) 97 98 c) x\97 d) \x97\x98
Last Answer : c) x\97
Description : What is the output when following statement is executed ? >>>print('new' 'line') a) Error b) Output equivalent to print ‘new\nline’ Page No 22 c) newline d) new line
Last Answer : c) newline
Description : hat is the output when following code is executed ? >>>print r"\nhello" The output is a) a new line and hello b) \nhello c) the letter r and then hello d) error
Last Answer : d) error
Description : What is the output of the following? d = {0: 'a', 1: 'b', 2: 'c'} for i in d: print(i) Page No 18 a) 0 1 2 b) a b c c) 0 a 1 b 2 c d) none of the mentioned
Last Answer : a) 0 1 2
Description : What is the output of the following? x = 123 for i in x: print(i) a) 1 2 3 b) 123 c) error d) none of the mentioned
Last Answer : c) error
Description : What is the output of the following? x = 'abcd' for i in range(len(x)): print(x) x = 'a' a) a b) abcd abcd abcd abcd c) a a a a d) none of the mentioned
Last Answer : d) none of the mentioned
Description : What is the output of the following? x = 'abcd' for i in range(len(x)): x = 'a' print(x) Page No 17 a) a b) abcd abcd abcd c) a a a a d) none of the mentioned
Last Answer : c) a a a a
Description : What is the output of the following? x = 'abcd' for i in range(len(x)): i.upper() print (x) a) a b c d b) 0 1 2 3 c) error d) none of the mentioned
Description : What is the output of the following? x = 'abcd' for i in x: print(i.upper()) a) a b c d b) A B C D c) a B C D d) error
Last Answer : b) A B C D
Description : What is the output of the following? x = "abcdef" i = "i" while i in x: print(i, end=" ") a) no output b) i i i i i i … c) a b c d e f
Last Answer : a) no output
Description : What is the output of the following? x = "abcdef" while i in x: print(i, end=" ") a) a b c d e f b) abcdef c) i i i i i i … d) error
Description : What is the output of the following? i = 0 while i < 3: Page No 15 print(i) i += 1 else: print(0) a) 0 1 2 3 0 b) 0 1 2 0 c) 0 1 2 d) error
Last Answer : b) 0 1 2 0
Description : What is the output of the following? i = 0 while i < 5: print(i) i += 1 if i == 3: break else: print(0) a) 0 1 2 0 b) 0 1 2 c) error d) none of the mentioned
Last Answer : b) 0 1 2
Description : What is the output of the following? True = False while True: print(True) break a) True b) False c) None d) none of the mentioned
Description : What is the output of the following? i = 1 while False: if i%2 == 0: break print(i) i += 2 a) 1 b) 1 3 5 7 … c) 1 2 3 4 … d) none of the mentioned