List Comprehensions in buildConnectionString, Step by Step

2019-06-19 20:03栏目:技术创新

params = {'Key 1':'value 1', 'key 2':'value 2', 'key 3':'value 3', 'key 4':'value 4'} 
print params.items() 

print [k for k, v in params.items()]                    

print [v for k, v in params.items()]                     

print ['%s=%s' % (k, v) for k, v in params.items()]      

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