numpy和numpy100练习题（上篇）1-50

    import numpy as np
    
    
      
    

    np.__version__
    
    
      
    

    '1.17.3'
    
    
      
    

    np.show_config()
    
    
      
    

    blas_mkl_info:
      NOT AVAILABLE
    blis_info:
      NOT AVAILABLE
    openblas_info:
    libraries = ['openblas', 'openblas']
    library_dirs = ['/usr/local/lib']
    language = c
    define_macros = [('HAVE_CB