جا به جایی مقدار 2 متغیر

def swapvar (a, b):
    return b, a

first_num = int(input("please first num: "))
secend_num = int(input("please secend num: "))
first_num, secend_num =swapvar (first_num, secend_num)
print(f"\nthis is swaped first num: {first_num}\nand this is swaped secend num: {secend_num}\n")

a=float(input("please,enter namber1:\n"))
b=float(input("please,enter namber2:\n"))
o=a
a=b
b=o
print("number1: ",a)
print("number2: ",b)

a = int(input('a: '))
b = int(input('b: '))
a,b = b,a
print('...........')
print('a: ',a)
print('b: ',b)

a = []
b = []

num1 = int(input("1.Enter a number: "))
num2 = int(input("2.Enter a number: "))

a.append(num1)
b.append(num2)

print("a =",a ,"b =",b)

a , b = b , a
print("a =",a ,"b =",b)