Replace "for" loop with "while" loop in [file name]

[navjot369]

Description

In the file "go.md", there is "for" wirtten that should be a "while" loop instead.

Current code

n := 0
x := 42
for n != x {
  n := guess()
}

Proposed change

Replace "for" with a "while" keyword.

[matheushb]

In golang, the while loop uses the "for" keyword