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CBSE Class 11 Informatics Practices Question 33 of 36

Conditional and Looping Constructs — Question 33

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33
Question

Question 17

WAP to display the sum of the given series:

Sum = 1 + (1 + 2) + (1 + 2 + 3) + (1 + 2 + 3.....n)

Solution
n = int(input("Enter the value of n: "))

sum = 0
for i in range(1, n + 1):
    for j in range(1, i + 1):
        sum += j

print("The sum of the series is:", sum)
Output
Enter the value of n: 4
The sum of the series is: 20
Answer

n
=
int
(
input
(
"Enter the value of n: "
))
sum
=
0
for
i
in
range
(
1
,
n
+
1
):
for
j
in
range
(
1
,
i
+
1
):
sum
+=
j
print
(
"The sum of the series is:"
,
sum
)
Output
Enter the value of n: 4
The sum of the series is: 20