coursera python
try and except
- you surround a dangerous section of code with try and except.
- if the code in the try works- the except is skipped
- if the code in the try fails- it jumps to the except section
is
- Python has an “is” operator that can be used in logical expresstions
- Implies
is the same as
- Similar to, but stronger than “==”
is not
also is a logical operator- 一般的には使わない。TrueやFalseのような特殊な判断のみに使う。