% Dans le préambule
% -----------------
\usepackage{pythontex}
% -----------------

\begin{pycode}
print(r"\begin{tabular}{r|l}")
print(r"$x$ & $\sqrt{x}$ (val. approchée)"
print(r"\\ \hline")
for i in range(101,110):
  print(i)
  print("&")
  print(sqrt(i))
  print(r"\\")
print(r"\end{tabular}")
\end{pycode}