mentalmathpractice.py

#Disclaimer: I started to build this from code picked up from https://stackoverflow.com/questions/32869791/python-mental-math-test-can-this-be-more-efficient 
# I didn't really look into making it more efficient. Just wanted to implement more types of practice and make sure it worked to get kids to practive during the lockdown perdiod

import random
#import pandas as pd
import time

#Adding timestamp for storing score history. To be implemented
timenow = time.strftime("%Y-%m-%d %H:%M:%S", time.localtime())

while True:
	try:
		username = input("Enter your first name:")
		break
	except ValueError:
		print("That was not a valid name. Try Again")
print("This is mental math challenge for ", username, " on ", timenow)
score = 0

#To define different difficulty levels. Not fully implemented yet.
difficulty = 0

#to be set to 1 when debugging.
debug = 0

#Reducing test time from 20 to 5 questions :)
test = 0
if (test==1):
	numProblems=5
	print("\n\n 			TEST MODE IS ON\n\n")
else:
	numProblems = 20

#To be implemented: Storing score and speed history per user/child
#new_df = pd.read_csv('mentalmathscore.csv')

start_time = time.time()

#using time to seed the random number generation
random.seed(int(start_time))

for i in range(numProblems):
	sign = ""
	answer = 0

	#to be implemented fully
	if (difficulty == 0):
		numOne = random.randint(1,100)
		pickOperator = random.randint(1,13)
	elif (difficulty == 1):
		numOne = random.randint(1,1000)
		pickOperator = random.randint(1,13)
	elif (difficulty == 2):
		numOne = random.randint(1,10000)
		pickOperator = random.randint(1,13)

	numTwo = random.randint(1,100)

#1,10,11 - Addition          - 2 + 2 = ? or ___ + 2 = 4 or 2 + ____ = 4
#2,12,13 - Subtraction       - 4 - 2 = ? or _____ - 2 = 2 or 4 - _____ = 2
#3         Multiplacation    - 2 * 2 = ?
#4         Division          - 4 / 2 = ?
#5         Decimal addition
#6         Decimal subtraction (results are always positive. need to add -ve results)
#7         Decimal multiplication with integer
#8         tried decimal substraction with integer - not working fully. currently same as #4
#9         pre-algebra -- x + 5 = 10. x = ?

	if (pickOperator == 8):
		pickOperator = 4

	if pickOperator in [1,10,11]:
		sign = " + "
		answer = numOne + numTwo
	elif pickOperator in [2,12,13]:
		sign = " - "
		if numOne < numTwo:
			numOne, numTwo = numTwo, numOne
		answer = numOne - numTwo
	elif pickOperator == 3:
		sign = " * "
		numTwo = random.randint(1,10)
		#if numTwo:
		#	numOne, numTwo = numTwo, numOne
		answer = numOne * numTwo
	elif pickOperator == 4:
		sign = " / "
		numTwo = random.randint(1,10)
		if numOne < numTwo:
			numOne, numTwo = numTwo, numOne
		numOne -= (numOne%numTwo)
		answer = numOne / numTwo
	elif pickOperator == 5:
		sign = " + "
		floatOne = round(random.random(),2)
		floatTwo = round(random.random(),2)
		answer = floatOne + floatTwo
	elif pickOperator == 6:
		sign = " - "
		floatOne = round(random.random(),2)
		floatTwo = round(random.random(),2)
		if floatOne < floatTwo:
			floatOne, floatTwo = floatTwo, floatOne
		answer = floatOne - floatTwo
	elif pickOperator == 7:
		sign = " * "
		floatOne = round(random.random(),2)
		numTwo = random.randint(1,10)
		numTwo -= numTwo %2
		#if numTwo:
		#	numOne, numTwo = numTwo, numOne
		answer = round(floatOne * numTwo,2)
	elif pickOperator == 8:
		sign = " / "
		floatOne = random.randint(1,100)
		floatOne -= floatOne%2
		numTwo = random.randint(1,10)
		numTwo -= numTwo %2
		while (floatOne%numTwo != 0):
			floatOne+=1
		#if numTwo:
		#	numOne, numTwo = numTwo, numOne
		answer = floatOne / numTwo
	elif pickOperator == 9:
		sign = " / "
		answer = numTwo - numOne
	else:
		print ("An error has occured")

	if (pickOperator <=4):
		question = "What is " + str(numOne) + sign + str(numTwo) + "? "
	elif (pickOperator in [5,6]):
		question = "What is " + str(floatOne) + sign + str(floatTwo) + "? "
	elif (pickOperator in [7,8]):
		question = "What is " + str(floatOne) + sign + str(numTwo) + "? "
	elif (pickOperator == 9):
		question = "What is x + " + str(numOne) + " = " + str(numTwo) + "? "
	elif (pickOperator == 10):
		question = "What is " + str(numOne) + sign + "_____ = " + str(answer) + "? "
	elif (pickOperator == 11):
		question = "What is _____ " + sign + str(numOne) + " = " + str(answer) + "? "
	elif (pickOperator == 12):
		question = "What is " + str(numOne) + sign + "_____ = " + str(answer) + "? "
	elif (pickOperator == 13):
		question = "What is _____ " + sign + str(numTwo) + " = " + str(answer) + "? "
	
	while True:
		try:
			if (pickOperator in [5,6,7,8]):
				user_answer = (input(question))
			else:
				user_answer = int(input(question))
			break
		except ValueError:
			print("That was not a valid number. Try Again")

	if (debug == 1):
		print(type(user_answer))
		print(type(answer))
		print("\n\nuser_answer is ", user_answer)
		print ("\n\nCalculated answer is ", answer)
		print("\n\n")

	if (pickOperator in [5,6,7,8]):
		if user_answer == str(round(answer,2)):
			print ("That was the correct answer!")
			score = score + 1
		else:
			print ("That answer was incorrect! The correct answer is ", answer)
	elif (pickOperator in [10,11,12]):
		if user_answer == numTwo:
			print ("That was the correct answer!")
			score = score + 1
		else:
			print ("That answer was incorrect! The correct answer is ", numTwo)
	elif (pickOperator == 13):
		if user_answer == numOne:
			print ("That was the correct answer!")
			score = score + 1
		else:
			print ("That answer was incorrect! The correct answer is ", numOne)
	else:
		if user_answer == answer:
			print ("That was the correct answer!")
			score = score + 1
		else:
			print ("That answer was incorrect! The correct answer is ", answer)

stop_time = time.time()
duration = stop_time - start_time

print ("\n\n", username + " you got " + str(score) + " out of ",numProblems)
print(f'\nTime take for {numProblems} is  {int((time.time() - start_time)/60):0.0f} minutes {((time.time() - start_time)%60):.0f} seconds') # print the time elapsed