📜  解释如果名称主要python代码示例

📅  最后修改于: 2022-03-11 14:45:17.105000             🧑  作者: Mango

代码示例1
# Suppose this is foo.py.

print("before import")
import math

print("before functionA")
def functionA():
    print("Function A")

print("before functionB")
def functionB():
    print("Function B {}".format(math.sqrt(100)))

print("before __name__ guard")
if __name__ == '__main__':
    functionA()
    functionB()
print("after __name__ guard")