如何将int变量转换为字符串

Question

这个问题是关于如何将int转换为字符串的。我是编码的新手，我不知道如何将int值转换为str值，因为在python中，我们无法将int值与字符串值组合在一起。必须将int值转换为string。 希望我的问题对自己和将来的编码人员有帮助。

 print("Type your age ") character_age = input() print("So your age is "+character_age) print("If your father is 20 years older what will be your fathers age ?") age_character = int(character_age) print("Father's age is " +age_character) 

Answer 1

输入：

print("Type your age ")
character_age = input()
print("So your age is "+character_age)
print("If your father is 20 years older what will be your fathers age ?")
age_character = int(character_age)+20 #add 20 with character age
print("Father's age is " + str (age_character )) # convert back into string for print

输出：

Type your age
5
So your age is 5
If your father is 20 years older what will be your fathers age ?
Father's age is 25

Answer 2

您可以只使用int() ：

x = '10'
int(x)

如果要打印整数变量，则需要使用str()将其转换回字符串，如最后一行所示：

print("Father's age is " + str(age_character))

Answer 3

print()引发TypeError。 您不能将string与int 。 您需要使用str函数将int转换为string

print("Type your age ")
character_age = input()
print("So your age is "+character_age)
print("If your father is 20 years older what will be your fathers age ?")
age_character = int(character_age)
print("Father's age is " +str(age_character))

将print("Father's age is " +age_character)更改为：

print("Father's age is " +str(age_character))

要么

print("Father's age is",age_character)

Answer 4

您已经使用int构造函数正确地将字符串character_age转换为整数，尽管要与其他字符串连接，您需要将其转换回字符串，并且由于打印的消息显示父亲的年龄应该为20岁岁以上，在转换为字符串之前，您需要添加20：

age_character = int(character_age) + 20
print("Father's age is " + str(age_character))

Answer 5

您是什么意思，您没有得到想要的结果？

age_character = int(character_age)

age_character变量已将age转换为int。 唯一的问题是您尝试打印字符串和整数的组合。 您已将其转换为字符串。

print(type(age_character))
print("Father's age is " + str(age_character) )

Answer 6

您不能使用'+'运算符直接打印整数，因为两种数据类型都不同。 您需要将其转换为字符串。尝试以下操作即可。

print("Father's age is " + str(age_character))

其余代码正确

Answer 7

您可以这样操作（无需转换为字符串）：确保您的（character_age必须为整数）

代码：{{print“所以您的年龄是{character_age}”。format（character_age = character_age）}}

{{print“父亲的年龄是{age_character}”。format（age_character = age_character）}}

Answer 8

Python的内置函数int()可用于此目的。

>>> a = "10"
>>> int(a)
10

但是，只要字符串是可转换的，这可以工作。

>>> a = "45.2"
>>> int(a)
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
ValueError: invalid literal for int() with base 10: '45.2'
>>> b = "eleven"
>>> int(b)
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
ValueError: invalid literal for int() with base 10: 'eleven'

链接到int()文档。