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<p>python3.x。如果用户输入一个无效的输入,比如“abc”几个小时,它会正确地捕捉错误。但是它不接受浮点值。我知道isdigit()不适用于小数,因为“.”在isdigit()中返回假值。如何修改此程序以接受int和float值作为有效输入?你知道吗</p>
<pre><code>#! python3
#This is a program to calculate payroll expenses.
employees = ['Oscar', 'Judy', 'Sandra', 'Tino', 'Andres', 'Rich', 'Matt', 'Daniel', 'Natalie', 'Elena']
employeeHourlyPay = [14.5, 14.5, 13.5, 13.0, 13.0, 11.0, 11.0, 10.0, 9.0, 10.0]
employeeHours = []
totalPay = []
#Iterate through employees and ask for hours worked. Program will check for
#valid digit inputs, and prompt you to only enter digits when anything else
#is entered as input.
#****Fix to accept decimals****#
for i in employees:
while True:
print('Enter hours for', i , ':')
x = str(input())
if x.isdigit():
employeeHours.append(float(x))
break
else:
print('Please use numbers or decimals only.')
continue
#***End Fix***
#Calculate pay per employee and add to list.
for i, j in zip(employeeHourlyPay, employeeHours):
totalPay.append(i * float(j))
#Display pay per employee by iterating through employees and totalPay.
for i, j in zip(employees, totalPay):
print(i + "'s pay is", str(j))
#Calculate and display total payroll by summing items in totalPay.
print('Total Payroll: ' + str(sum(totalPay)))
</code></pre>