Python 3语法学习之练习代码及输出19

#自定义函数，a*a+b*b=c*c，开平方求c值
def Pythagorean_theorem(a,b):
    return 'The right triangle third side\'s length is {}'.format((a**2 + b**2)**(1/2))
#引号内的字符串出现符号时需要使用\转义
#使用.format()将格式化的运算值填入字符串中

#调用函数，传入参数并打印函数返回
print(Pythagorean_theorem(3,4))

PS C:\Users\harveymei> & C:/Users/harveymei/AppData/Local/Programs/Python/Python38/python.exe c:/Users/harveymei/hello.py
The right triangle third side's length is 5.0
PS C:\Users\harveymei>