>>> True is True True >>> True == True True >>> 1 is True <stdin>:1: SyntaxWarning: "is" with a literal. Did you mean "=="? False >>> 1 == True True >>>
for i, fruit in enumerate(fruits): if 条件: print(i, fruit)
fruits = ['apple','banana','orange'] it = filter( lambda kv: 'n' in kv[-1], # 『nを含む』という仮の条件 enumerate(fruits) ) for i, fruit in it: print(i, fruit)
for k,v in dic.items(): ...
try: def hoge() except: import traceback s = traceback.format_exc() logger.error(s)