Convert Integer to String in Python Without Built-ins | Interview Questions

This tutorial explains how to convert an integer to its string representation in Python without using built-in conversion functions like str(). It covers handling positive numbers, negative numbers, and zero.

The approach involves extracting each digit of the integer using modulo and division operations, converting each digit to its corresponding character by using ASCII values, storing these characters in a list, and then joining them to form the final string.

For negative numbers, the absolute value is processed, and a minus sign is appended before joining the characters. The tutorial includes a step-by-step explanation and an example Python function implementing this logic.

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