task2

# swapper 1
a=input("Enter first number:")
b=input("Enter second number:")
c=b
b=a
a=c
print("swapped numbers are:",a,b)

# same without third variable
a=float(input("Enter first number:"))
b=float(input("Enter second number:"))
b=a+b
a=b-a
b=b-a
print("swapped numbers are:",a,b)

# same without third variable
a=int(input("Enter first non-zero integer number:"))
b=int(input("Enter second non-zero integer number:"))
b=a*b
a=b/a
b=b/a
print("swapped numbers are:",a,b)