Solution Exercise 8: calculating the sum of the first numbers in Python

2 octobre 20228 octobre 2022PythonTechPython Exercises1 Comment

Exercise 8

Write a python algorithm that asks the user to enter an integer n and displays the value of the sum 1 + 2 + … + n = ?

Solution

# Ask the user to enter the value of the integer n
n = int(input("Type a value of the integer n "))

# define and initialize the sum
s = 0
for i in range(1,n+1):
     s = s + i
print("The sum of 1 + 2 + 3 + ...+ ",n," = : ", s)

# Ask the user to enter the value of the integer n

n = int(input("Type a value of the integer n "))

# define and initialize the sum

s = 0

for i in range(1,n+1):

s = s + i

print("The sum of 1 + 2 + 3 + ...+ ",n," = : ", s)

Younes Derfoufi
CRMEF OUJDA

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Exercise 8

Solution

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