ImportError: cannot import name 'pyplot' from 'matplotlib'
当前文件名为:matplotlib.pyfrommatplotlibimportpyplotyears=[1950,1960,1970,1980,1990,2000,2010]gdb=[300.2,543.3,1075.9,2862.5,5979.6,10289.7,14958.3]#创建一幅线图,x轴是年份,y轴是gdbpyplot.plot(years,gdb,color='green',ma