Tabs and spaces problem with Python program

[zak100]

Hi,

I have got the following program:

class TestIndexInArray:
        def __init__(self, arr):
        '''
        @param arr: array to be tested
        '''
                self.arr = arr

        def printItemsIndex(self):
                '''
                Prints the index of each item in a given array
                '''
                # message to tell us when the function was called
                print(f'Print indexes for {self.arr}:')
                for i in self.arr:
                        # find the index of i in arr
                        itemIndex = self.arr.index(i)
                        print(itemIndex)
                print('\n')


        def findItemAtIndex(self, index):
        '''
        @param index: refers to the location of the item in the array
        '''
                print(f'Item at {index} in {self.arr}:')
                try:
                        print(self.arr[index])
                except IndexError:
                        print(f'> error: index at {index} does not exist')
                print('\n')


if __name__ =="__main__":
    def header(num):
        print(f'Test #{num}\n' + '='*40 + '\n')

    header(1)
    arr_one = TestIndexInArray([4, 9, 12, 3, 5, 24])
    arr_one.printItemsIndex()
    arr_one.findItemAtIndex(0)
    arr_one.findItemAtIndex(2)
    arr_one.findItemAtIndex(5)
    arr_one.findItemAtIndex(6)

    header(2)
    arr_two = TestIndexInArray([])
    arr_two.printItemsIndex()
    arr_two.findItemAtIndex(0)

I am getting following errors:

Quote

 

File “/home/zulfi/PycharmProjects/Classes/exceptionProg.py”, line 3
‘’’
^
TabError: inconsistent use of tabs and spaces in indentation

Process finished with exit code 1

 

 

Somebody please guide me.

Zulfi.

[fiveworlds]

In python you must use either tabs or spaces for indentation not both. It is an annoying feature of python if you are using notepad++ you can "view>show symbol>show white space and tabs"

[Strange]

You can configure your editor to use only spaces (and, in most cases, to convert existing tabs to spaces)

[zak100]

Hi @fiveWorlds and @Strange,

Thanks for helping me.

I tried cutting and then pasting on notepad and then pasting it back on the pycharm but sorry it did not work. However when I clicked the bulb it asked me to convert the tabs into spaces and this worked.

Thanks a lot.

 

Zulfi.