Python Program to Read a Number n and Print the Series “1+2+…..+n= “

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n=int(input("Enter a number: "))
a=[]
for i in range(1,n+1):
    print(i,sep=" ",end=" ")
    if(i<n):
        print("+",sep=" ",end=" ")
    a.append(i)
print("=",sum(a))
 
print()

 

Output

 

Enter a number: 4
1 + 2 + 3 + 4 = 10

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