import math
def quadratic(a,b,c):
if (b^2-4ac) >= 0 and a != 0:
x1 = (math.sqrt(b^2-4ac) - b) / (2a)
x2 = (-math.sqrt(b^2-4ac) - b ) / (2a)
return x1,x2
def xh():
n = 0
e = [1,2,3]
u = ['a','b','c']
while n < 3:
e[n] = float(input('请输入%s的值\n'%u[n]))
n = n + 1
return quadratic(e[0],e[1],e[2])
def cx():
t = xh()
while t == None:
print('输入有误，重新输入！\n')
t = xh()
print(t)
while t != None:
s = input('还要计算吗？Y/N\n')
if s == 'Y' or s == 'y':
t = cx()
elif s == 'N' or s == 'n':
break
else:
print('输入有误')
continue
cx()
奮進_V
import math def quadratic(a,b,c): if (b^2-4ac) >= 0 and a != 0: x1 = (math.sqrt(b^2-4ac) - b) / (2a) x2 = (-math.sqrt(b^2-4ac) - b ) / (2a) return x1,x2 def xh(): n = 0 e = [1,2,3] u = ['a','b','c'] while n < 3: e[n] = float(input('请输入%s的值\n'%u[n])) n = n + 1 return quadratic(e[0],e[1],e[2]) def cx(): t = xh() while t == None: print('输入有误，重新输入！\n') t = xh() print(t) while t != None: s = input('还要计算吗？Y/N\n') if s == 'Y' or s == 'y': t = cx() elif s == 'N' or s == 'n': break else: print('输入有误') continue cx()