Rei Maruyama reimaruyama

## stop_watch.py
from time import time


class StopWatch:
    def __init__(self):
        self.start_time = 0
        self.stop_time = 0
        self.total_time = 0

    def __enter__(self) -> "StopWatch":

## time_zone_index_in_rails.md

      
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                reimaruyama
                / time_zone_index_in_rails.md
            
            
              Created
              September 20, 2019 04:10
            
              
                Railsで扱えるタイムゾーンの一覧を確認
              
          
    $ rails console
ActiveSupport::TimeZone.all.map {|tz| tz.to_s}

# => ["(GMT-12:00) International Date Line West",
# "(GMT-11:00) American Samoa",
# "(GMT-11:00) Midway Island",
# "(GMT-10:00) Hawaii",
	from time import time


	class StopWatch:
	def __init__(self):
	self.start_time = 0
	self.stop_time = 0
	self.total_time = 0

	def __enter__(self) -> "StopWatch":