类型错误：Float不可调用

Question

代码只是给出了支付贷款的月数。

import sys

loanAmt = input("enter the amount of loan you want : ")
r = input("enter the rate of interest : ")
numOfPayments = input("enter number of payments : ")
month = loanAmt ( r * (1+numOfPayments) / ((1+r) * (numOfPayments-1)))

print(month)

ERROR：

TypeError: 'float object is not callable '

Answer 1

loanAmt是一个浮点数，你试图称之为：

month = loanAmt ( ... )

也许你想通过括号表达式的结果乘以该值？如果是这样，您错过了*：

month = loanAmt * ( ... )

那么整行应该是：

month = loanAmt * (r * (1 + numOfPayments) / ((1 + r) * (numOfPayments - 1)))