Posted by: prankster February 6, 2013
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N = int(input("N: "))
i=1
Sum=0
while i <= N:
if i%2==0:
if (i !=1)
print("-") #If i is even
print(i)
Sum=Sum-i
else:
if (i !=1)
print("+") #if i is odd
print(i)
Sum=Sum+i
i=i+1
print("=", Sum)
i=1
Sum=0
while i <= N:
if i%2==0:
if (i !=1)
print("-") #If i is even
print(i)
Sum=Sum-i
else:
if (i !=1)
print("+") #if i is odd
print(i)
Sum=Sum+i
i=i+1
print("=", Sum)
Last edited: 06-Feb-13 03:56 PM