Added Set operatiosn fucntion, corrected compound interest

mathgenerator/funcs/compoundInterestFunc.py

@@ -1,6 +1,6 @@
 from .__init__ import *
 
-def compoundInterestFunc(maxPrinciple = 10000, maxRate = 10, maxTime = 10, maxPeriod = ):
+def compoundInterestFunc(maxPrinciple = 10000, maxRate = 10, maxTime = 10, maxPeriod = 10):
     p = random.randint(100, maxPrinciple)
     r = random.randint(1, maxRate)
     t = random.randint(1, maxTime)

mathgenerator/funcs/set_operation.py

@@ -0,0 +1,18 @@
+from .__init__ import *
+
+
+def set_operation(minval=3,maxval=7,n_a=4,n_b=5):
+    number_variables_a=random.randint(minval,maxval)
+    number_variables_b=random.randint(minval,maxval)
+    a=[]
+    b=[]
+    for i in range(number_variables_a):
+        a.append(random.randint(1,10))
+    for i in range(number_variables_b):
+        b.append(random.randint(1,10))
+
+    a=set(a)
+    b=set(b)
+    problem= "Given the two sets a=" + str(a) + " ,b=" + str(b) +  ".Find the Union,intersection,a-b,b-a and symmetric difference"
+    solution="Union is " + str(a.union(b)) + ",Intersection is " + str(a.intersection(b)) + ", a-b is "+str(a.difference(b)) + ",b-a is " + str(b.difference(a))+ ", Symmetric difference is "+ str(a.symmetric_difference(b))
+    return problem,solution

mathgenerator/mathgen.py

@@ -114,3 +114,4 @@ meanMedian=Generator("Mean and Median", 76,"Mean and median of given set of numb
 intMatrix22determinant = Generator("Determinant to 2x2 Matrix", 77, "Det([[a,b],[c,d]]) =", " a * d - b * c", determinantToMatrix22) 
 compoundInterest = Generator("Compound Interest", 78, "Compound interest for a principle amount of p dollars, r% rate of interest and for a time period of t years with n times compounded annually is = ", "A dollars", compoundInterestFunc)
 decimalToHexadeci = Generator("Decimal to Hexadecimal", 79,"Binary of a=", "b", deciToHexaFunc)
+setoperations = Generator("Union,Intersection,Difference of Two Sets", 80, "Union,intersection,difference", "aUb,a^b,a-b,b-a,", set_operation)