Months = set(["January","February", "March", "April", "May", "June"])

print("printing the original set ... ")
print(Months)

print(" updating the original set ... ")

Months.update({"December"})

#Months.update(["July","August","September","October"]);

print("printing the modified set ... ")
print(Months);
Months = set(["January","February", "March", "April", "May", "June"])

print("printing the original set ... ")
print(Months)

print(" updating the original set ... ")

Months.update({"December"})

#Months.update(["July","August","September","October"]);

print("printing the modified set ... ")
print(Months);
#Months.update(["July","August","September","October"]);