name = input("Entet name : ")
course = input("Entet name : ")
def student(name,course,branch,mobile_No=887776):#keywords argument passing the values keys
    print("student name is : ",name)
    print("student course is : ",course)
    print("student branch is : ",branch)
    print("student mobile No. is : ",mobile_No)#mobile_No is default argument 
student(name,course,branch="ME",mobile_No=9986866865)#keys and values