Question

In: Computer Science

Hello! Working with python This program asks user math questions and keeps track of answers... Allow...

Hello!

Working with python

This program asks user math questions and keeps track of answers...

  1. Allow the user to decide whether or not to keep playing after each math challenge.

  2. Ensure the user’s answer to each math problem is greater than or equal to zero.

  3. Keep track of how many math problems have been asked and how many have been answered correctly.

  4. When finished, inform the user how they did by displaying the total number of math problems, the number they answered correctly, and their percent correct.

Provide meaningful comments

I need for this code to allow user to enter a float as user result

and then round users result so it matches with actual rounded result

I need this done for add,sub,div, and mul

_____________________________________________________________________________________

Answer_count=0 #variable used to count answer

Question_count=0 #varible used to count question

keep_going="y" #varible used to loop until user set it as N

def add():

global Answer_count

#accessing global variable Answer_count

import random

a = random.randint(0,1000)

#getting random numbers for calculations

b = random.randint(0,1000)

result=a+b

round(result)

if result<0:

#condition to check whether answer is less than zero if yes calls function recursively

#until numbers with positive value is obtained as random number

add()

else:

print("Find ",a,"+",b,"and Enter your Answer")

users_result=int(input())

#reads user answer

if(users_result<0):

print("Result cannot be negative ! ! Do again")

add()

elif(users_result==result):

#if user answer and calculated answer is same answer is right and the Answer count incremented

print("Right Answer !!")

Answer_count+=1

else:

print("Wrong Answer !! Right answer is ",result)

def sub():

global Answer_count

import random

a = random.randint(0,1000)

b = random.randint(0,1000)

result=a-b

round(result)

if result<0:

sub()

else:

print("Find ",a,"-",b,"and Enter your Answer")

users_result=int(input())

if(users_result<0):

print("Result cannot be negative ! ! Do again")

sub()

elif(users_result==result):

print("Right Answer !!")

Answer_count+=1

else:

print("Wrong Answer !! Right answer is ",result)

def div():

global Answer_count

import random

a = random.randint(0,1000)

b = random.randint(0,1000)

result=a/b

if result<0:

div()

else:

print("Find ",a,"/",b,"and Enter your Answer")

users_result=int(input())

if(users_result<0):

print("Result cannot be negative ! ! Do again")

div()

elif(users_result==result):

print("Right Answer !!")

Answer_count+=1

else:

print("Wrong Answer !! Right answer is ",result)

def mul():

global Answer_count

import random

a = random.randint(0,1000)

b = random.randint(0,1000)

result=a*b

round(result)

if result<0:

mul()

else:

print("Find ",a,"*",b,"and Enter your Answer")

users_result=int(input())

if(users_result<0):

print("Result cannot be negative ! ! Do again")

mul()

elif(users_result==result):

print("Right Answer !!")

Answer_count+=1

else:

print("Wrong Answer !! Right answer is ",result)

while(keep_going=="Y" or keep_going=="y" ):

#loops until user set it with letter other than y

x=0

print("Enter your choice \n")

print("Menu\n1.Addition\n2.Substraction\n3.Division\n4.Multiplication\n5.Exit")

x=int(input())

if x==1:

add()

Question_count+=1

elif x==2:

sub()

Question_count+=1

elif x==3:

div()

Question_count+=1

elif x==4:

mul()

Question_count+=1

elif x==5:

keep_going="N"

break;

else:

print("Invalid Entry")

print("Do you want to continue??Y/N")

keep_going=input()

if Question_count !=0:

print("Total Number of problems attended : ",Question_count )

print("Right answers : ",Answer_count)

print("Percentage of Right answer : ",((Answer_count/Question_count)*100))

else:

print("No Questions Attempted!!")

Solutions

Expert Solution

Solution:

Change below lines in each method, { add(), sub(), div(), mul() }

  • Replace each user input line "users_result = int(input())" with "users_result = float(input())"
  • Round off user result up to 2 decimal places, i.e, add line users_result = round(users_result, 2)
  • Round off actual output up to 2 decimal places, i.e, result = round(result, 2)
  • Now, float values entered by user are handled properly.

Updated code of div() function:

def div():
    global Answer_count
    import random
    a = random.randint(0,1000)
    b = random.randint(0,1000)
    
    result=a/b
    result = round(result, 2)                            # Updated code
    
    if result<0:
        div()
    else:
        print("Find ",a,"/",b,"and Enter your Answer")
        
        users_result=float(input())                      # Updated code
        users_result = round(users_result, 2)            # Updated code
        
        print("you typed: ", users_result)
        if(users_result<0):
            print("Result cannot be negative ! ! Do again")
            div()
        elif(users_result==result):
            print("Right Answer !!")
            Answer_count+=1
        else:
            print("Wrong Answer !! Right answer is ",result)

Input:

Enter your choice 

Menu
1.Addition
2.Substraction
3.Division
4.Multiplication
5.Exit

3

Find  74 / 841 and Enter your Answer:  0.0822
Wrong Answer !! Right answer is  0.09


Enter your choice 

Menu
1.Addition
2.Substraction
3.Division
4.Multiplication
5.Exit

5

Output:

Total Number of problems attended :  1
Right answers :  0
Percentage of Right answer :  0.0

Attaching screenshot of code to understand about indentation in python code

Make similar changes to other methods as well.

PS: Let me know if you are able to make changes to the code. Ask if you have any doubt.


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