Python string | digits
In Python, strings provide several methods for checking its contents. If you want to check if all characters in a string are digits, you can use the str.isdigit() method.
str.isdigit():
This method returns True if all characters in the string are digits, and False otherwise.
Examples:
s1 = "12345" print(s1.isdigit()) # True s2 = "1234a5" print(s2.isdigit()) # False s3 = "12.345" print(s3.isdigit()) # False because the period is not a digit
Note: While str.isdigit() is great for checking basic numeric strings, it might not catch more complex scenarios such as floating-point numbers, negative numbers, etc. For these, you would need more advanced techniques, possibly involving regular expressions or other string manipulation techniques.
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