Why Do I Get 'Inconsistent Use of Tabs and Spaces in Indentation' Errors in Python?

Inconsistent Indentation: Resolving Mixed Tabs and Spaces

In Python, consistent indentation plays a crucial role in defining code blocks and statements. Running into errors like "inconsistent use of tabs and spaces in indentation" can be frustrating. Here's how to address this issue:

Convert Tabs to Spaces:

The solution lies in using spaces for indentation instead of tabs. Different programming environments and editors may have varying defaults. To ensure consistency, set your editor to use 4 spaces for indentation. This can typically be found in the editor's settings.

Replace Tabs with Spaces:

Using a find-and-replace feature in your editor, search for all instances of the tab character (typically represented as "t") and replace them with four space characters.

Display Tabs as Spaces:

To improve readability, it's recommended to configure your editor to display tabs as 8 spaces. This helps you quickly identify any unintentionally inserted tabs.

Note on 8 Spaces for Tabs:

Using 8 spaces to represent tabs is a common practice. It's used as a visual cue to highlight when tabs have been inserted accidentally, especially when copying code containing tabs.

Example:

Here's a snippet of code with inconsistent indentation:

import random

attraktioner = ["frittfall", "bergodalbana", "spökhuset"]


class Nojesfalt:
    def __init__(self, attraktion):
        \tself.val = attraktion
        \tself.langd = 0
        \tself.alder = 0


    def langdgrans(self):
        print("")
        \tself.langd = int(input("Hur lång är du i cm? "))
        \tif self.langd < 140:
        \t\tprint("tyvärr, du är för kort, prova något annat")
        \t\treturn 0
        \telif self.langd >= 140:
        \t\tprint("håll dig hatten, nu åker vi!")
        \t\tprint(" ")
        \t\treturn 1

After converting tabs to spaces:

import random

attraktioner = ["frittfall", "bergodalbana", "spökhuset"]


class Nojesfalt:
    def __init__(self, attraktion):
        self.val = attraktion
        self.langd = 0
        self.alder = 0


    def langdgrans(self):
        print("")
        self.langd = int(input("Hur lång är du i cm? "))
        if self.langd < 140:
            print("tyvärr, du är för kort, prova något annat")
            return 0
        elif self.langd >= 140:
            print("håll dig hatten, nu åker vi!")
            print(" ")
            return 1

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