what is eof error in python code example

Example 1: eof error meaning

# EOFError happens when input() has no data

>>> data = input("Write something ")
Write something 

# if I quit program before writing something, 
# the program reports EOFError because there is no input

Example 2: eof python error

EOF Error usually means that there was an open parenthesis without
a closing parenthesis; the file ended before the action was complete.