Respuesta :

problemsolver2019

Answer:

The logic is clear from below program in python

a= input("ENTER THE NUMBER")

i=0

sum1=0

while(i <= int(a)):

    sum1 =sum1+i

    i=i+1

print(sum1)

Explanation:

Start

Enter number; n

sum=0

for i =0 to n

sum =sum+i

Next i

Print sum

End

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