Learn more An API key is a unique identifier, acting as a secret token, used to authenticate and authorize a user, developer, or program to access an API. It's like a password for accessing a specific API service.
def calculator(a, b, operator):
if operator == '+':
return a + b
elif operator == '-':
return a - b
elif operator == '*':
return a * b
elif operator == '/':
return a / b if b != 0 else 'Cannot divide by zero'
else:
return 'Invalid operator'
# Example usage
print(calculator(10, 5, '+')) # 15
print(calculator(10, 5, '/')) # 2.0