Week 2 - 2.14 Challenge

print("Hi, I am the bot that Sue created.")
print("Let's get started.")
users_name=input("What is your name? ")
print("Welcome "+users_name)
addsub=input("Please press a if you would like to add, s if you would like to subtract, m if you would like to multiply, or d if you would like to divide. ")
input1=input("Number 1> ")
input2=input("Number 2> ")
number1=int(input1)
number2=int(input2)
if addsub=="a" or addsub=="A" or addsub=="plus" or addsub=="Plus" or addsub=="add" or addsub=="Add":
    result=number1+number2
    output=str(result)
    print(input1+"+"+input2+"="+output)
elif addsub=="s" or addsub=="S" or addsub=="minus" or addsub=="Minus" or addsub=="subtract" or addsub=="Subtract":
    result=number1-number2
    output=str(result)
    print(input1+"-"+input2+"="+output)
elif addsub=="m" or addsub=="M" or addsub=="times" or addsub=="Times" or addsub=="multiply" or addsub=="Multiply":
    result=number1*number2
    output=str(result)
    print(input1+"*"+input2+"="+output)
elif addsub=="d" or addsub=="D" or ddsub=="divide" or addsub=="Divide":
    result=number1/number2
    output=str(result)
    print(input1+"/"+input2+"="+output)
else:
    print(addsub+" is not a valid answer. I do not know if I should add, subtract, multiply, or divide. Please Try again.")