Create a function that simulates terminal cd (change directory) commands to determine the final path. It starts at the root (/) and processes each command in order:

"cd ": moves into the specified directory.

"cd ..": moves up one level (if not at root).

"cd .": does nothing (stay in the current directory).

"cd /": resets to root.

Question

Create a function that simulates terminal cd (change directory) commands to determine the final path. It starts at the root (/) and processes each command in order:

"cd ": moves into the specified directory.

"cd ..": moves up one level (if not at root).

"cd .": does nothing (stay in the current directory).

"cd /": resets to root.

Anonymous · Accepted Answer

def di_sol(commands):
    path = []
    for com in commands:
        if com.startswith("cd "):
            c = com[3:]
            if c == "/":
                path = []
            elif c == "..":
                if path:
                    path.pop()
            elif c != ".":
                path.append(c)
    return "/" + "/".join(path)

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