Is this right/ what should i change?

Is this right/ what should i change? - Printable Version

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Is this right/ what should i change? - ralfi - Sep-20-2017

# 3. Using the following list and a “for” loop, display differences of all consecutive pairs of numbers in the list.

our_list = [1,2,5,6,3,77,9,0,3,23,0.4,-12.4,-3.12]

for i in our_list:
print(i-1)

RE: Is this right/ what should i change? - nilamo - Sep-20-2017

Did you run it? Does the output seem right?

RE: Is this right/ what should i change? - ralfi - Sep-20-2017

output looks like this but I want it to subtract consecutive pairs of numbers:

our_list = [1,2,5,6,3,77,9,0,3,23,0.4,-12.4,-3.12]
for i in our_list:
    print(i-1)

Output:0
1
4
5
2
76
8
-1
2
22
-0.6
-13.4
-4.12

RE: Is this right/ what should i change? - nilamo - Sep-20-2017

If you have an element, and subtract 1 from it, how would that be related to finding the difference between two different elements?

Try this:

our_list = [1,2,5,6,3,77,9,0,3,23,0.4,-12.4,-3.12]

for ndx in range(0, len(our_list), 2):
    left = our_list[ndx]
    right = our_list[ndx+1]
    print("{0} - {1} = {2}".format(left, right, (left-right)))

Index out of range - ralfi - Sep-22-2017

pour_list = [1,2,5,6,3,77,9,0,3,23,0.4,-12.4,-3.12]

for i in range(0, len(our_list), 2):
left = our_list[i]
right = our_list[i+1]
print("{0} - {1} = {2}".format(left, right, (left-right)))
1 - 2 = -1
5 - 6 = -1
3 - 77 = -74
9 - 0 = 9
3 - 23 = -20
0.4 - -12.4 = 12.8
Traceback (most recent call last):

File "<ipython-input-5-3f1c5e913d44>", line 5, in <module>
right = our_list[i+1]

IndexError: list index out of range

why does it keep saying list index out of range?

RE: Index out of range - snippsat - Sep-22-2017

You have been warned 2-3 times before about not using code tag and indentation.
Read BBCode help.
Short version use Ctrl+Shif+v when copy in code to keep indentation.
Mark all code and push button [Image: python.png]

Then code look like this.

class Parent:
    def my_method(self):
        print('Calling parent method')

class Child(Parent):
    def my_method(self):
        print('Calling child method')
        super().my_method()

c = Child()
c.my_method()

Try to follow this,if not your next post will be deleted until okay.

RE: Is this right/ what should i change? - nilamo - Sep-22-2017

Threads merged. This isn't a separate issue, so no need for another thread.

...especially when your code is literally just my code, with the error I purposefully left in there, to help you think about what you're doing ;)