Page 426 - Ai_417_V3.0_C9_Flipbook
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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

