41 lines
805 B
Python
41 lines
805 B
Python
for k,v in [(1,2),(3,4),(5,6)]:
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print(k,v)
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# 1 2
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# 3 4
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# 5 6
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try:
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for k,v,z in [(1,2,7),(3,4,8),(5,6)]:
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print(k,v,z)
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except as exception:
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print(exception.__class__.__name__)
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# 1 2 7
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# 3 4 8
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# ValueError
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try:
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for k,v in [1,2,3]:
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print("type error")
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except as exception:
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print(exception.__class__.__name__)
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# TypeError
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for k, v in {'a': 1, 2: 'b'}.items():
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print(k,v)
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# a 1
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# 2 b
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for i in {'a': 1, 2: 'b'}.items():
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print(i)
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# ('a', 1)
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# (2, 'b')
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print(['{}: {}'.format(repr(k),repr(v)) for k, v in {1: 2, 3: 4}.items()])
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# ['1: 2', '3: 4']
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print([x for x,y in [(1,2),(3,4),(5,6)] if x + y > 3])
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# [3, 5]
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print(', '.join(['{}: {}'.format(repr(k),repr(v)) for k, v in {1: 2, '3': 4, 5: 'six', 'seven': 8}.items() if isinstance(k,str)]))
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# '3': 4, 'seven': 8
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