With more python and IDEA, Eclipse will not use the mentality collapse
Single-line comments:
CTRL + /
When the line uncommented (the same):
CTRL + /
Multiline comments:
CTRL + SHIFT + /
Multi-line uncommented (slash slash changed):
CTRL + SHIFT + \
Strong turn
CTRL+1
Removing unwanted import package
CTRL+SHIfT+O