bot3

print("Hello, I am Lian, your personal bot")
user_name=input("What's your name?")
print("Nice to meet you " + user_name + "." + " I hope that our cooperation will be fruitful.")
q1 = input("What do you want to do? Practice adding, substraction, calculate a lozenge surface area, divide or multiply?")
if q1 == "adding":
    print("I will help you with adding today")
    number1=int(input("Number 1"))
    number2=int(input("Number 2"))
    result = number1 + number2
    print(str(number1) + "+" + str(number2) + "=" + str(result))
elif q1 == "substraction":
    print("What about substraction?")
    number3=int(input("Minuend"))
    number4=int(input("Substrahend"))
    result2 = number3 - number4
    print(str(number3) + "-" + str(number4) + "=" + str(result2))
elif q1 == "calculate a lozenge surface area":
    print("Let's calculate a lozenge surface area!")
    number5=int(input("the length of the base"))
    number6=int(input("Height"))
    result3 = number5/2 * number6
    print(str(number5) + "/2" + " * " + str(number6) + " =" + str(result3))
elif q1 == "divide":
    print("Time for some divide problems!")
    number7=int(input("dividend"))
    number8=int(input("divider"))
    result4 = number7/number8
    print(str(number7) + " / " + str(number8) + " = " + str(result4))
elif q1 == "multiply":
    print("Yay, let's multiplay!")
    number9=int(input("First number"))
    number10=int(input("Second number"))
    result5 = number9*number10
    print(str(number9)  + " * " + str(number10) + " = " + str(result5))
else:
    print("Sorry, I don't understand")