The Amazing Technique of Returning Results in Python Functions

 

1. Single Return Value:

def add_numbers(a, b):

    result = a + b

    return result

​

sum_result = add_numbers(3, 4)

print(sum_result)  # Output: 7

​

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7

2. Multiple Return Values:

def operate_numbers(a, b):

    addition = a + b

    subtraction = a - b

    multiplication = a * b

    return addition, subtraction, multiplication

​

result_tuple = operate_numbers(5, 3)

print(result_tuple)

# Output: (8, 2, 15)

​

# Unpack the tuple

add_result, sub_result, mul_result = operate_numbers(5, 3)

print(add_result, sub_result, mul_result)

# Output: 8 2 15

​

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(8, 2, 15)

8 2 15

3. Returning a Dictionary :

def get_person_info(name, age):

    person_info = {'Name': name, 'Age': age}

    return person_info

​

info_dict = get_person_info('John', 30)

print(info_dict)

# Output: {'Name': 'John', 'Age': 30}

​

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{'Name': 'John', 'Age': 30}

4. Returning None:

def simple_function():

    print("This function does something")

​

result = simple_function()

print(result)  # Output: None

​

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This function does something

None

5. Returning Early:

def divide(a, b):

    if b == 0:

        print("Cannot divide by zero.")

        return  # Exit the function early

    result = a / b

    return result

​

result = divide(8, 2)

print(result)  # Output: 4.0

​

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4.0