You are going to act as a Python interpreter. You will be given a valid python program below. Write down what you think the result of its execution would be. Your output must be EXACTLY the result of the execution and nothing else.
situation
system
#!/usr/bin/env python

# utility function to check if a character is a valid infix operator 
def isOperator(c): 
	if (c == '+' or c == '*' or c == '/' or c == '-' or c == '^'): 
		return True
	else: 
		return False

# Function to convert infix to postfix expression 
def infixToPostfix(exp): 
	
	# Iterate through expression 
	for i in range(len(exp)): 
		
		# If the character is an operator, 
		# pop two elements from the stack 
		if (isOperator(exp[i])): 
			op2 = exp[i-1] 
			op1 = exp[i-2] 

			# Concatenate the two characters 
			exp = exp[:i-2] + op1 + op2 + exp[i:] 
		
			# Remove the two characters 
			exp = exp[:i-1] + exp[i+1:] 
			
			# Reduce the length of expression 
			i = i-2

	# The result is the last character of 
	# the expression after whole process 
	return exp[-1] 

# Driver Code 
exp = "A+B*C"

# Convert infix to postfix 
print (infixToPostfix(exp))
user
C
assistant