[已解决]Python小问题

XiaoPaiShen

1. def turnc(decimal, number):
   
2.     target = str(decimal)
   
3.     parts = target.split('.', 1)
   
4.     precision = parts[1][:number]
   
5. 
   
6.     result = '{0}.{1}'.format(parts[0], precision)
   
7.     return float(result)
   
8. 
   
9. source = 3.1415926
   
10. 
    
11. print('2位： {0}'.format(turnc(source, 2)))
    
12. print('3位： {0}'.format(turnc(source, 3)))
    
13. print('4位： {0}'.format(turnc(source, 4)))

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