


TypeError: Unsupported Operand Types for Subtraction
When encountering the error "TypeError: unsupported operand type(s) for -: 'str' and 'int'", it signifies that an attempt has been made to subtract two incompatible operands, typically a string and an integer.
In this instance, the provided Python code demonstrates this error:
<code class="python">def cat_n_times(s, n): while s != 0: print(n) s = s - 1 text = input("What would you like the computer to repeat back to you: ") num = input("How many times: ") cat_n_times(num, text)</code>
The error stems from attempting to subtract the variable s (assigned the result of input) by 1. However, input returns a string, and Python cannot perform subtraction on strings and integers.
To resolve this, convert num to an integer using int(num) immediately after receiving the input:
<code class="python">num = int(input("How many times: "))</code>
Additionally, the code could be simplified using a for loop:
<code class="python">def cat_n_times(s, n): for _ in range(n): print(s)</code>
This revised code will accept a string for text and an integer for num, ensuring that the subtraction operation is performed correctly.
The above is the detailed content of How to Resolve \'TypeError: Unsupported Operand Types for -: \'str\' and \'int\'\' Error in Python?. For more information, please follow other related articles on the PHP Chinese website!

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