Page 426 - Ai_417_V3.0_C9_Flipbook
P. 426

elif ch>='0' and ch<='9':
                         print("Number")
                     else:
                         print("Other Character")
                  4.  Print the sum of even or odd numbers of first n natural numbers.
                Ans.  n=int(input("Enter range of natural numbers :"))
                     sumeven=sumodd=0
                     i=0
                     while i<=n:
                         if i%2==0:
                             sumeven+=i
                         else:
                             sumodd+=i
                         i+=1
                     print("Sum of even :",sumeven)
                     print("Sum of odd :",sumodd)
                  5.  Input a number and print the next five consecutive numbers.
                Ans.  n=int(input("Enter a number :"))
                     for i in range(n+1,n+6):
                         print(i)
                  6.  Print each element of a list along with its index number (both forward and backward).
                Ans.  L1= ['P', 'Y', 'T', 'H', 'O', 'N']
                     length=len(L1)
                     for e in range(length):
                          print("Forward  indexing:",e,  "Backward  Indexing:",(e-length),  "Element  Value  is
                         ",L1[e])
                  7.  Print the sum of even numbers in a list.

                Ans.  l=[1,12,6,3,8,7,13]
                     sum=0
                     for i in range(len(l)):
                         if l[i]%2==0:
                             sum+=l[i]
                     print(sum)
                  8.  Swap the adjacent elements in the list. Print the list after swapping is done.

                Ans.  #swapping the adjacent value
                     L1=[1,2,3,4,5]
                     print("list before change",L1)
                     l=len(L1)
                     if l%2==0:
                         for i in range(0,1,2):
                             L1[i], L1[i+1]=L1[i+1],L1[i]
                     else:
                         for i in range(0,l-1,2):
                             L1[i],L1[i+1]=L1[i+1],L1[i]
                     print("list after change",L1)


                    424     Touchpad Artificial Intelligence (Ver. 3.0)-IX
   421   422   423   424   425   426   427   428   429   430   431