Printing current and previous number sum in a range(10)

#1

This is a question >’’‘Exercise 2: Given a range of the first 10 numbers, Iterate from the start number to the end number, and In each iteration print the sum of the current number and previous number Printing current and previous number sum in a range(10) ‘’’ ‘’’

Current Number 0 Previous Number 0 Sum: 0
Current Number 1 Previous Number 0 Sum: 1
Current Number 2 Previous Number 1 Sum: 3
Current Number 3 Previous Number 2 Sum: 5
Current Number 4 Previous Number 3 Sum: 7
Current Number 5 Previous Number 4 Sum: 9
Current Number 6 Previous Number 5 Sum: 11
Current Number 7 Previous Number 6 Sum: 13
Current Number 8 Previous Number 7 Sum: 15
Current Number 9 Previous Number 8 Sum: 17 ‘’’

This is my solution :
for i in range (0,10):
PreviousNum = 0
sum = PreviousNum + i
print(“Current Number”,i,“Previous Number”,PreviousNum,“Sum:”, PreviousNum+i)

my I unable to add PriviousNum plus I
Current Number 0 Previous Number 0 Sum: 0
Current Number 1 Previous Number 0 Sum: 2
Current Number 2 Previous Number 0 Sum: 4
Current Number 3 Previous Number 0 Sum: 6
Current Number 4 Previous Number 0 Sum: 8
Current Number 5 Previous Number 0 Sum: 10
Current Number 6 Previous Number 0 Sum: 12
Current Number 7 Previous Number 0 Sum: 14
Current Number 8 Previous Number 0 Sum: 16
Current Number 9 Previous Number 0 Sum: 18

can you help me to solve the query

#2

Hey @chandanm0077,
So here just you have to add a condition for PreviousNum that if i == 0, then it should be 0 else PreviousNum should be equal to i-1. Then your code will work perfectly.

#3

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