Notes
This function is in beta test. Please help improve it in the issues
here.
Your Answer
Your double_square.txt: 3********** 3.1******** 3.14******* 3.142****** 3.1416***** 3.14159**** 3.141593*** 3.1415927** 3.14159265* 3.141592654
JOJ Answer
Your double_square.txt: 3********** 3.1******** 3.14******* 3.142****** 3.1416***** 3.14159**** 3.141593*** 3.1415927** 3.14159265* 3.141592654