百科不全书之Python习题对比

1

自己

x=0
x = input()
flag = flag2= flag3 =flag4=0 
for c in x:
    if  '0'<=c<='9':
        continue
    elif  c == '+':
        flag += 1
        continue
    elif c == 'j':
        flag2+=1
    elif c == '.':
        flag4+=1
        continue
    else:
        flag3 =1
        break
if (flag == 1 and flag2 == 1 and flag3 !=1) or (flag == 0 and flag2 == 0 and flag3 != 1):
 #   print (flag,flag2,flag3)
    print(pow(eval(x),2))
else :
    print("输入有误")

标准答案

s = input()
try:
    if complex(s) == complex(eval(s)):
        print(eval(s)**2)
except:
    print("输入有误")

分析思路：
自己在