The documentation for float doesn't explicitly allow int-like strings, although it does give one as an example. E.g. although float('10') works and returns a float, the documentation implies that it shouldn't.

See discussion on Discuss.

Linked PRs

• gh-100428: Make int documentation more accurate #100436
• gh-100428: Make float documentation more accurate #100437
• [3.10] gh-100428: Make float documentation more accurate (GH-100437) #100510
• [3.11] gh-100428: Make float documentation more accurate (GH-100437) #100511
• [3.11] gh-100428: Make int documentation more accurate (GH-100436) #100674
• [3.10] gh-100428: Make int documentation more accurate (GH-100436) #100675