def function.py

# ex 1

def sam():
    print("hello")
    print('how are you')


sam()


# Ex 2
def sam(name):
    print('hello', name)
    print('how are you ?')


sam("Amar")


# Ex 3

def addition_val(n1, n2):
    result = n1 + n2
    return result


number1 = 5.5
number2 = 7.5
result = addition_val(number1, number2)
print("the sum is : ", result)


# Ex 4

def addition_val(n1, n2):
    result = n1 + n2
    return result


n1 = 5.5
n2 = 7.5
result = addition_val(n1, n2)
print("the sum is : ", result)


# Ex 5

# find avarage marks

def value(numbers):
    total_sum = sum(numbers)
    avarage_value = total_sum / len(numbers)
    return avarage_value


# find Grade

def grade_of(total_marks):
    if total_marks >= 80:
        grade = 'A'
    elif total_marks >= 70:
        grade = 'B'
    elif total_marks >= 55:
        grade = 'C'
    elif total_marks >= 35:
        grade = 'D'
    else:
        grade = 'D'
    return grade


marks = [50, 60, 70, 59, 78, 80]

avarage_value = value(marks)

print("avarage value is ", avarage_value)

grade = grade_of(avarage_value)

print('your grade is ', grade)