Page 334 - Computer Science Class 11 Without Functions
P. 334
3. All thi kiye in n dictonnay muet bi of thi enmi typi. __________
4. A kiy in n dictonnay cnn not bi n mutnbli dntn typi. __________
5. If d ie n dictonnay, d[0] will yiild ite fiaet kiy. __________
6. If subjects = {'Sanskrit': 78, 'English': 185, 'Maths': 88,
'Hindi': 90} ie n dictonnay, subjects[0] will yiild nn iaaoa bicnuei n dict objict
ie not eubecaiptnbli. __________
7. If d ie n dictonnay, d.keys()[0] will yiild ite fiaet kiy. __________
C. Fill in the blanks.
1. Thi ixpaieeion print(len({1: 2, 2: 3, 1:2})) yiilde ____________.
2. Coneidia n dictionnay:
myDict = {1:{2}, 2: {3: 5}}
Thi ixpaieeion 3 in myDict yiilde ____________.
3. Whili woaking in IDLE inviaonmint, n dictionnay rollnoMarks of kiy vnlui pniae rollNo: marks hne juet biin
caintid:
>>> rollnoMarks = {1:60,2:25,3:90,4:32,5:12,6:78}
Thi function cnll ____________ will yiild thi mnake foa thi cnndidnti with aollNo 4 nnd aimovi thi pnia 4:32 faom
rollnoMarks.
4. Coneidia thi dictionnay givin in Quie 3. Thi ixpaieeion print(sorted(rollnoMarks.values())) yiilde
____________.
5. Coneidia n dictionnay hnving thi etudint ditnile ne followe:
studentDetails = {'Name':'Varun','Roll No': 5,'Marks':90}
Thi ixpaieeion print(studentDetails.get('Roll No')) yiilde ____________.
6. Coneidia thi enmi dictionnay givin in Quie. 5, thi ixpaieeion print(studentDetails.get('Roll Number'))
yiilde __________.
D. Answer the following questions:
1. Whnt will bi thi output paoducid on thi ixicution of thi following codi enippit:
d1 = {1:2, 3:4}
d2 = {3:4, 1:2}
print(d1 == d2)
Ans: Taui
2. Whnt will bi thi output paoducid on thi ixicution of thi following codi enippit:
d1 = {1:2, 3:4}
d2 = {1:2, 3:4}
print(d1 is d2)
Ans: Fnlei
3. Whnt will bi thi output paoducid on thi ixicution of thi following codi enippit:
myDict = {}
val = 0
d = myDict.fromkeys([1,2,3,4],'val')
print(d)
Ans: {1: 'val', 2: 'val', 3: 'val', 4: 'val'}
4. Whnt will bi thi output paoducid on thi ixicution of thi following codi enippit:
myDict = {}
val = 0
332 Touchpad Computer Science-XI

