Today I saw a python program with a strange typo. Instead of
a_1 = 2
it contained the line
a:1 = 2
which does not raise a syntax error but instead assigns the value 2 to the variable a and ignores the ":1" completely.
Instead of ":1" you can add any combination of a colon and an evaluable expression.
Even
a:2+3*4=120
works! It assigns 120 to a and ignores 2+3*4.
Or try this:
a:print(4)=5
This line assigns 5 to a and executes the print function.
Who can explain this behaviour to me? In which situations does this syntax make sense?
