Simple Calculator Repl.py

expression = input('Enter a simple math expression: ')
if expression.find(' ') == 1:
    expression = expression.split()
    expression = str(expression[0]+expression[1]+expression[2])
possibleOperations = ['+', '-', '/', '*']
for operation in possibleOperations:
    if expression.find(operation) == 1:

        if operation == '+':
            expression = expression.split(operation)
            print('The answer is {}'.format(float(expression[0]) + float(expression[1])))
            break

        if operation == '-':
            expression = expression.split(operation)
            print('The answer is {}'.format(float(expression[0]) - float(expression[1])))
            break

        if operation == '/':
            expression = expression.split(operation)
            print('The answer is {}'.format(float(expression[0]) / float(expression[1])))
            break

        if operation == '*':
            expression = expression.split(operation)
            print('The answer is {}'.format(float(expression[0]) * float(expression[1])))
            break