In [2]:

```
# template of the program
# function 1
def function_1():
print('function 1')
# function 2
def function_2():
print('function 2')
# function 3
def function_3():
print('function 3')
# main function
def main():
print('Main function')
function_1()
function_2()
function_3()
# call the main function
main()
```

In [3]:

```
# area and circumference of the circle (use math module)
import math
def area(radius):
# find area
area_circle = math.pi*radius*radius
return area_circle
def circumference(radius):
# find circumference
circ = math.pi*2*radius
return circ
def main():
r = float(input('Radius : '))
a = area(r)
b = circumference(r)
print(a)
print(b)
main()
```

In [4]:

```
# min and max functions (with list as an argument)
```

In [5]:

```
def min_fun(numbers):
# find minimum
min_val = math.inf
for i in numbers:
if i < min_val:
min_val = i
return min_val
def main():
list_numbers = [9,5,3,4,6,9,12,4,1]
min_number = min_fun(list_numbers)
print(min_number)
main()
```

In [6]:

```
# sum and multiply functions (with list as an argument)
```

In [7]:

```
def sum_fun(numbers):
# find sum
sum_val = 0.0
for i in numbers:
sum_val += i
return sum_val
def main():
list_numbers = [9,5,3,4,6,9,12,4,1]
sum_value = sum_fun(list_numbers)
print(sum_value)
print(sum(list_numbers))
main()
```

In [8]:

```
# is_member function
```

In [9]:

```
def is_member(numbers,n):
# find if n is a member of numbers
is_mem = False
for i in numbers:
if i == n:
is_mem = True
return is_mem
def main():
num = 12
list_numbers = [9,5,3,4,6,9,12,4,1]
if num in list_numbers:
print('YES!')
else:
print('NO!')
main()
```

In [10]:

```
# a guessing game : a user enters one number. The program must tell whether it is smaller or larger than the true number. The program terminates when the user enters the correct number. [while loop]
# ** break into multiple functions:
# ***** get playerâ€™s name
# ***** get input number
# ***** check the input number
# Hello! What is your name?
# Krikamol
# Good afternoon, Krikamol, I am thinking of a number between 1 and 100.
# Take a guess.
# 10
# Your guess is too low.
# Take a guess.
# 15
# Your guess is too low.
# Take a guess.
# 18
# Good job, Krikamol! You guessed my number in 3 guesses!
```

In [1]:

```
import random
def get_name():
# get player's name
name = input('Hello, what is your name? ')
print('Good afternoon, ', name,', I am thinking of a number between 1 and 100.')
return name
def take_guess():
# take a guess
num = int(input('Take a guess : '))
return num
def check_number(true_val,guess_val):
# check the guessed number
is_end = False
if guess_val < true_val:
print('Your guess is too low.')
elif guess_val > true_val:
print('Your guess is too high.')
else:
is_end = True
return is_end
def main():
# guess a number game
true_number = random.randint(1,100)
player_name = get_name()
guess_number = take_guess()
num_of_guess = 1
while (not check_number(true_number,guess_number)):
guess_number = take_guess()
num_of_guess += 1
print('Good job, ',player_name)
print('You guessed my number in', num_of_guess,' guesses')
main()
```

In [ ]:

```
help(random.randint)
```

In [ ]:

```
```