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Julie has created a dictionary containing names and marks as key value pairs of 6 students. Write a program, with separate user defined functions to perform the following operations: 

  • Push the keys (name of the student) of the dictionary into a stack, where the corresponding value (marks) is greater than 75. 

Pop and display the content of the stack. 

For example: If the sample content of the dictionary is as follows:

R={"OM":76, "JAI":45, "BOB":89, "ALI":65, "ANU":90, "TOM":82} 

The output from the program should be: TOM ANU BOB OM




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myDict = {"OM":76, "JAI":45, "BOB":89, "ALI":65, "ANU":90, "TOM":82}        #creating a dictionary


def func_push(stack, name):

    stack.append(name)      #it appends the received name(key) to the stack


def func_pop(stack):

    if stack != []:

        return stack.pop()      #return the topmost name if stack is not empty


        return None


myStack = []

for i in myDict:        #with each iteration,i represents each key(name) of myDict dictionary(key value pairs)


    if myDict[i] >= 75:     #myDict[i] represents values of myDict dictionary(key value pairs)


        func_push(myStack, i)       #if value of key value pair is >=75,then name(key) is pushed in stack


while True:

    if myStack != []:       #check if the stack is empty or not

        print(func_pop(myStack), end = " ")     #if not empty, then pop out content of stack






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Davneet Singh

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 13 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.