Mathbot

print ("Hi, I am Evelyn, your personal bot. Let's get started.")
users_name = input("What is your name?")
print ("Welcome, " + users_name + "!")
print ("Let's do some calculations! I like addition.")

# Addition with 2 numbers
input1 = input("Number 1:")
input2 = input("Number 2:")
number1 = int(input1)
number2 = int(input2)
result = number1 + number2
output = str(result)
print (input1 + "+" + input2 + " = " + output)

# Addition with 3 numbers
print ("We can also do some advanced calculations. First, let's add three numbers!")
input3 = input("Number 3:")
input4 = input("Number 4:")
input5 = input("number 5:")
number3 = int(input3)
number4 = int(input4)
number5 = int(input5)
result = number3 + number4 + number5
output = str(result)
print (input3 + "+" + input4 + "+" + input5 + " = " + output)

# Subtraction with 2 numbers
print ("I can also do subtractions.")
input6 = input("Number 6:")
input7 = input("Number 7:")
number6 = int(input6)
number7 = int(input7)
result = number6 - number7
output = str(result)
print (input6 + "-" + input7 + " = " + output)

# Squares
print ("I'm also very good at squares. I can show you right now.")
input8 = input("Number 8:")
number8 = int(input8)
result = number8 * number8
output = str(result)
print (input8 + "*" + input8 + "=" + output)

# area of a circle
print ("One of my awesome skills is calculating stuff you can't do in your head. Let's find out the area of a circle!")
input9 = input("Please tell me the radius of the circle...")
number9 = int(input9)
number10 = float(3.1415926)
input10 = str(number10)
result = number10 + number9 + number9
output = str(result)
print (input10 + " * " + input9 + " * " + input9 + " = " + output)
print ("See? Calculating is definitely one of my strong sides.")

# asking the user
print ("I have more skills.")
input11 = input("What do you wnat to do now?")

# Addition with 2 numbers
if input11 == "Addition" or input11 == "Adding" or input11 == "add":
  input12 = input("Number 1:")
  input13 = input("Number 2:")
  number9 = int(input12)
  number10 = int(input13)
  result = number1 + number2
  outcome = str(result)
  print (input12 + "+" + input13 + "=" + outcome)

# Subtraction with 2 numbers
elif input11 == "Subtraction" or input11 == "Subtracting" or input11 == "subtract":
  input14 = input("Number 1:")
  input15 = input("Number 2:")
  number11 = int(input14)
  number12 = int(input15)
  result = number3 - number4
  outcome = str(result)
  print (input14 + "-" + input15 + "=" + outcome)

# Multiplication with 2 numbers
elif input11 == "Multiplication" or input11 == "Multiplying" or input11 == "multiply":
  input16 = input("Number 1:")
  input17 = input("Number2:")
  number13 = int(input16)
  number14 = int(input17)
  result = number13 * number14
  outcome = str(result)
  print (input16 + "*" + input17 + "=" + outcome)

# Division with 2 numbers
elif input11 == "Division" or == input11 == "Dividing" or input11 == "divide":
  input18 = input("Number 1:")
  input19 = input("Number 2:")
  number15 = int(input18)
  number16 = int(input19)
  result = number15 / number16
  outcome = str(result)
  print (input18 + "/" + input19 + "=" + outcome)

# Every other answer
else:
  print ("Sorry, I don't understand that. Please try again.")
print ("Very good. I like math.")