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Decode the Coding Interview in Python: Real-World Examples

DIY: Basic Calculator II

Explore how to implement a function that evaluates mathematical expressions given as strings. Learn to handle operators including addition, subtraction, multiplication, and division, while following constraints like rounding integer division down. This lesson helps you understand parsing and calculation without built-in evaluation functions.

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Problem statement

In this challenge, you are given a string, s, which contains an expression. You’ll evaluate this expression and return its value. Keep the following statements in mind while solving the problem:

  • The integer division
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