: Huanyu Mao : : 2016-01-01

>>> print('hello world') ''' hello world ''' >>> print("hello world 2") ''' hello world 2 '''

>>> print('Hello world'+' Hello Hong Kong') """ Hello world Hello Hong Kong """

>>> print(1+1) """ 2 """ >>> print(3-1) """ 2 """ >>> print(3*4) """ 12 """ >>> print(12/4) """ 3.0 """ >>> print('iphone'+4) # """ Traceback (most recent call last): File "<pyshell#10>", line 1, in <module> print('iphone'+4) TypeError: Can't convert 'int' object to str implicitly """

>>> print(int('2')+3) #int """ 5 """ >>> print(int(1.9)) #intint """ 1 """ >>> print(float('1.2')+3) #float() """" 4.2 """"

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