def triselectionechange(t):
    n=len(t)
    for i in range(n-1):
        m=t[i]
        k=i
        for j in range(i+1,n):
            if t[j]<m:
                m=t[j]
                k=j
        t[i],t[k]=t[k],t[i]

def tableau(t,a,b):
    s=[]
    for k in range(a,b+1):
        s.append(t[k])
    return(s)

from math import sinh

for u in range(1,100):
    for v in range(1,100):
        if (u/sinh(u))**2-(v/sinh(v))**2>(u-v)**2:
            print("faux")
        x=1/u
        print(x)
        y=1/v
        print(y)
        if (x/sinh(x))**2-(y/sinh(y))**2>(x-y)**2:
            print("faux")
print("verif finie")