import numpy as np import matplotlib.pyplot as plt import pandas as pd

a={'科目':['语文','数学','英语','物理','化学','技术','总分'],'裸分':['未知','未知',78,58,49,94,''],'赋分成绩':['未知','未知','未知','未知','未知','未知','']} b=pd.DataFrame(a,columns=['科目','裸分','赋分成绩']) print(b) x=np.linspace(0,10,1000) y1=np.sin(x) y2=np.sin(x**2) plt.figure(figsize=(8,4))

plt.title('sin(x) and sin(x2)') plt.plot(x,y1,label='sin(x)',color='r',linewidth=2) plt.scatter(x,y2,label='sin(x2)')

plt.ylim(-1.5,1.5) plt.xlim(0,10) plt.legend()

plt.show()

def ss(a): b=0 for i in range(2,int(a**0.5)+1): if a%i0: b=1 if b1: return False else: return True