Why does print("..."), i.e. three dots in a row, print blank?

Question

I'd like to print three dots in a row (to form an ellipsis), but print() prints blank.

print("one moment...")
one moment...
print("...")

print("..")
..
print("...abc...")
abc...
print("\u2026")
…

What's happening here? Why is "..." parsed in an exceptional way?

I am using ipython in PyCharm.

Answer 1

Update 2024-07-31

According to the YouTrack issue (archive) this issue has been fixed and is available in builds: 242.6184, 241.16163, 241.17011.12, 242.10180.17.

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Original Post

Looks like this is a known issue with Pycharm where its interactive console removes the leading three periods from a print statement. Here’s the ticket tracking this issue.

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A possible workaround for now is defining something like:

def iprint(obj):
    if (s:=str(obj)).startswith("..."):
        print(" "+s)
    else:
        print(s)

which looks like:

>>> iprint("...ymmv")
 ...ymmv