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from langchain_core.tools import tool
import operator
@tool("add_tool", parse_docstring=True)
def add(a: float, b: float) -> float:
"""
Adds two numbers.
Args:
a: The first number.
b: The second number.
Returns:
The sum of a and b.
"""
return operator.add(a, b)
@tool("subtract_tool", parse_docstring=True)
def subtract(a: float, b: float) -> float:
"""
Subtracts the second number from the first.
Args:
a: The first number (minuend).
b: The second number (subtrahend).
Returns:
The result of subtracting b from a.
"""
return operator.sub(a, b)
@tool("multiply_tool", parse_docstring=True)
def multiply(a: float, b: float) -> float:
"""
Multiplies two numbers.
Args:
a: The first number.
b: The second number.
Returns:
The product of a and b.
"""
return operator.mul(a, b)
@tool("divide_tool", parse_docstring=True)
def divide(a: float, b: float) -> float:
"""
Divides the first number by the second.
Args:
a: The numerator.
b: The denominator.
Returns:
The result of dividing a by b.
Returns an error message string if division by zero occurs.
"""
if b == 0:
return "Error: Cannot divide by zero."
return operator.truediv(a, b) |