Maximum Number of Handshakes

Question

To Find the number of handshakes for given persons .

Sample TestCaseExpected Output

Enter number of persons : 10                                               Total number of Handshake : 45                           

Answer

  num=int(input("Enter number of Persons : "))

total=0

total=num*(num-1)/2

print("Total number of Handshakes : ",int(total))