Dictionaries_in_python

Dictionaries_python.py

#Dictionaries are created by {} or using dict() function.
Dict1={'Hello':"World",2:"two",3:4,"List":[1,2,5,6]}
Dict2=dict(Key='Value',Integer=10)
print(Dict1)
print(Dict2)
#Length of Dictionary is given by len()
print(len(Dict1))
print(Dict1[2])                     #printing value of keyword '2' (Note its not printing acc to index)
print(Dict1.get("Hello"))            #get() method to get the value of a key
Dict1['Hello']="Everyone"           #changing the value of key 'Hello'
Dict2['New element']="Added"        #adding new key-value pair
print(Dict1)
print(Dict2)
print(Dict1.keys())                 #keys() method returns a list of all keys.
print(Dict1.items())                #items() method returns all the key-value pairs in a dictionary
print(Dict2.pop("Key"))             #pop() deletes and returns the value associated with the key entered
print(Dict1.clear())                #clear() removes all elements of the dictionary and hence returns empty dictionary