According to the far-left leader Jean-Luc Mélenchon

Mélenchon is not far-left.

In France, presidents cannot be elected for more than two five-year terms,

Two in a row. He can try again in 2032.

Misleading title. From the article itself:

The president was reportedly responding to a proposal by far-right leader Jordan Bardella, who was suggesting France switch to a single seven-year presidential term.