多分支结构

def goal(*m):
    a=eval(input("输入体重："))
    b=eval(input("请输入身高："))
    c=a/pow(b,2)
    if c<18.5:
        i=d="偏瘦"
    elif c<24:
        i=d="正常"
    elif c<25:
        i="正常"
        d="偏胖"
    elif c<28:
        i=d="偏胖"
    elif c<30:
        i="偏胖"
        d="肥胖"
    else :
        i=d="肥胖"
    print("国际:",i,"国内:",d)

def goal(*m):
    a=eval(input("输入体重："))
    b=eval(input("请输入身高："))
    c=a/pow(b,2)
    i,d="",""
    if c<18.5:
        i,d="偏瘦","偏瘦"
    elif c<24:
        i,d="正常","正常"
    elif c<25:
        i,d="正常","偏胖"
    elif c<28:
        i=d="偏胖"
    elif c<30:
        i,d="偏胖","肥胖"
    else :
        i=d="肥胖"
    print("国际:",i,"国内:",d)