我收到一个NameError:未定义名称'n' [英] I am getting a NameError: name 'n' is not defined

问题描述

此功能要求输入名称

def printName():
   print("Enter your name: ")
   n=input()
printName()

if语句检查n是否等于Python

The if statement checks if n is equal to Python

if n=="Python":
   print("Welcome")
else:
   print("Try again")

推荐答案

n仅在函数内部定义.这应该起作用:

n is only defined inside the function. This should work:

def printName():
   print("Enter your name: ")
   n=input()
   if n=='Python':
     ...

或者，您也可以这样做:

Alternatively you can also do:

def printName():
       print("Enter your name: ")
       n=input()
       return n

n = printName()
# now you can use n

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