for i in range(1,100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001,3):
a.append(i)
n = random.choice(a)
def bc(a,n):
low = 0
high = len(a)-1
g = len(a)
while low <= high:
mid = (low + high) //2
g = a[mid]
if g == n:
return mid
elif g < n :
low = mid+1
else:
high = mid -1
return None
r = bc(a,n)
print("老师给的数是:",n)
print("它的索引是:",r)'''
'''import tkinter
class za():
def __init__(self):
self.r = tkinter.Tk()
self.r.title("QQ登入")
self.r.geometry("600x450+400+150")
self.r.resizable(width = False,height = False )
def dr(self):
l = thinker.Label(r,text = " 请填写信息:",font=("楷体",14),fg ="black",width = 0)