Error

Question

I created my code about calculator. I used "a, b and c". When i give for a input and b, then i write c=a+b, and in console i take, that "c" is not such variable. What can i fix it?
FE:

a = int(input("Write variable a = ")
b = int(input("Write b = ")

what = input("What we doing? (+, -) Write = ")

if what == "+":

c = a + b
print("Your result is: " + c)

elif what == "-":

c = a - b
print("Your result is: " + c)

I havent opportunity now, but i think, problem is when i write result, i not write "Your result is: " + "c".
I missed on " "?

Answer 1

1. You're missing two closing parentheses.

a = int(input("Write variable a = "))
b = int(input("Write b = "))

2. Use commas to print multiple expressions. String concatenation (e.g. "Hello "+"world") can only be done between two strings.

print("Your result is", c)

Answer 2

You have 2 ways to print strings with variables. Convert to string or separate them.

Convert to str:
print("Your result is: " + str(c))

Separate them:
print("Your result is:", c) #If you seperate them, print() will add a space for each variables.

Answer 3

If i do not forgot, i cannot constructively str and int/float?
Only str+str, and other?

Answer 4

OH, thanks guys.