Questions - Dictionary

Q: Which of the following statements create a dictionary?(multiple answers allowed)

d = {}
d = {"mayank":40, "janki mohan johri":68}
d = {40:"mayank", 45:"janki mohan johri"}
d = (40:"mayank", 45:"janki mohan johri")

Q: What will be the output of the followings



In [1]:

    
d = {"johri":40, "mayank":45}
print("johri" in d)









    



True



In [6]:

    
d1 = {"johri":40, "mayank":45}
d2 = {"johri":466, "mayank":45}
print(d1 == d2)









    



False



In [2]:

    
d1 = {"johri":40, "mayank":45}
d2 = {"johri":466, "mayank":45}
print(d1 != d2)









    



True



In [1]:

    
d1 = {"johri":40, "mayank":45}
d2 = {"johri":466, "mayank":45}
print(d1 < d2)
print(d1 > d2)









    



---------------------------------------------------------------------------
TypeError                                 Traceback (most recent call last)
<ipython-input-1-b27d0a647056> in <module>()
      1 d1 = {"johri":40, "mayank":45}
      2 d2 = {"johri":466, "mayank":45}
----> 3 print(d1 < d2)

TypeError: '<' not supported between instances of 'dict' and 'dict'



In [11]:

    
d = {"johri":40, "mayank":45}
for a in d:
    print(type(a))

print(list(d))

for a, b in d.items():
    print(a, b)









    



<class 'str'>
<class 'str'>
['johri', 'mayank']
johri 40
mayank 45