PYTHON - Dictionary

Dictionary Manipulation And Operation. 

##keys:values
##########Dictionary is used to store data##########################

student={"Name":"rohan","Age":34}

print(student)

#############udate dic record################

student["Name"]="vivek"
print(student)

###################add new record##############

student["marks"]=35
print (student)


#################delete new record#################4

del student["Age"]
print (student)

##############length of dic###################

print(len (student))
print(type(student))

##########################################

print(student.keys())
print(student.values())

######update dictionary########

student1={"marks":20,"Name":"Nitin","Age":24}
print(student1)
print(student)
student.update(student1)
print(student)

##############################
student.clear()
print(student)

##############################
del student

print student

###################################################################
Output of above programm,

{'Name': 'rohan', 'Age': 34}
{'Name': 'vivek', 'Age': 34}
{'Name': 'vivek', 'Age': 34, 'marks': 35}
{'Name': 'vivek', 'marks': 35}
2
<class 'dict'>
dict_keys(['Name', 'marks'])
dict_values(['vivek', 35])
{'marks': 20, 'Name': 'Nitin', 'Age': 24}
{'Name': 'vivek', 'marks': 35}
{'Name': 'Nitin', 'marks': 20, 'Age': 24}
{}