Condition

if Example

x = 10
if x < 10:
    print("한자리수")
elif x < 100:
    print("두자리수")
else:
    print("세자리 이상")

True / False

Pass

if 조건문 안에서 특정 블럭/문장을 수행하지 않고 그냥 Skip

if n < 10:
    pass
else:
    print(n)

Switch 대체 구문

• Sample 1

  today = 'Saturday'
  if today is 'Sunday':
    print('Order the spinach pizza.')
  elif today is 'Monday':
    print('Order the mushroom pizza.')
  elif today is 'Tuesday':
    print('Order the pepperoni pizza.')
  elif today is 'Wednesday':
    print('Order the veggie pizza.')
  elif today is 'Thursday':
    print('Order the bbq chicken pizza.')
  elif today is 'Friday':
    print('Order the sausage pizza.')
  elif today is 'Saturday':
    print('Order the Hawaiian pizza.')
  

• Sample 2

  specials = {'Sunday'    : 'spinach', 
            'Monday'    : 'mushroom', 
            'Tuesday'   : 'pepperoni', 
            'Wednesday' : 'veggie',
            'Thursday'  : 'bbq chicken',
            'Friday'    : 'sausage',
            'Saturday'  : 'Hawaiian'}
  def order(day):
    pizza = specials[day]
    print('Order the {} pizza.'.format(pizza))
  # order the Saturday special!
  order('Saturday')