Swaping two numbers | program | python solution

Program for swapping of two numbers

Swapping refers to the exchange of two or more things.

Example:

a=5 , b=10

After swapping a becomes 10 and b becomes 5.

Explanation :

• Read a and b value.

• Use any of the below methods and get output
  

Method1:

We have very simple method in python i.e.,

a , b  =  b , a

Method2:

Using third variable or temporary variable ,

a = a + b  b = a - b a = a- b

Method3:

Using Bitwise XOR (^), 

a = a ^ b b = a ^ b a = a ^ b

Input :

a =  5

b = 10 

Output :

a = 10

b = 5

PROGRAM IN PYTHON

#swapping of two numbers
a = 5
b = 10
a , b = b , a
#after swapping
print("a is",a,"b is ",b)

#method 2
a = a + b
b = a - b
a = a - b
print("a is",a,"b is ",b)

#method 2 --- using xor
a = a ^ b
b = a ^ b
a = a ^ b
print("a is",a,"b is ",b)

Output

a is 10 b is  5
a is 5 b is  10
a is 10 b is  5