import math as m
print(m.sqrt(16))



# # Global Scope

# greeting = "Hi"

# def say_hello():
#     print(greeting + " from inside the function")
    
# say_hello()
# print(greeting + " from outside the function")



# # Local Scope
# def greet():
#     message = "Hello World"
#     print(message)
    
# greet()
# #print(message)





# FUnction with parameters and return value
# def add_numbers():
#     c = a + b
#     return c

# result = add_numbers()
# print("Sum: ", c)

# def function_name(parameters):
#     #Code block
#     return result