def hello():
  print('Hello world')
hello()
hello()
hello()

##

def calc():
  x = 5
  y = 3
  total = x+y
  print(total)
calc()
calc()
calc()

## Argument

def calc(first,second):
  x = first
  y = second
  total = x + y
  print(total)
calc(5,3)
calc(10,15)
calc(9,8)

##

def calc(first,second):
  x = first
  y = second
  total = x + y
  print(total)
result = calc(5,3)
print(result)

## Return

def calc(first,second):
  x = first
  y = second
  return x + y

result = calc(10,10)
print(result)

##

def mylen(iterable):
  l = 0
  for item in iterable:
    l += 1
  return l
print(mylen([1,2,3]))

##

print(mylen('prince'))

## Multiple return

def mylen(iterable):
  l = 0
  for item in iterable:
    l += 1
  return 'Hello'
  return l

print(mylen('prince'))

##

def mycal(x,y):
  r1 = x + y
  r2 = x * y
  return [r1,r2]


result = mycal(10,10)
print(result)

## Default argument

def calc(x,y):
  return x + y

r = calc(5,3)
print(r)

def calc(x=0,y=0):
  return x + y

r = calc(5)
print(r)

r = calc(5,4)
print(r)

## SSh

def sshconfig(user,port,host):
  return "ssh -p {} {}@{}".format(port,user,host)

r = sshconfig("ec2-user",22,"3.3.3.3")
print(r)

##

def sshconfig(host,port=22,user='root'):
  return "ssh -p {} {}@{}".format(port,user,host)

r = sshconfig('1.1.1.1')
print(r)

r = sshconfig('1.1.1.1',2020)
print(r)

r = sshconfig('1.1.1.1',2020,'ec2-user')
print(r)

r = sshconfig('1.1.1.1','alex')
print(r)

## Keyword argument

def sshconfig(host,port=22,user='root'):
  return "ssh -p {} {}@{}".format(port,user,host)

r = sshconfig(user = 'sam',port= '2323',host = '109.145.23.99')
print(r)

## Requests

import requests

ip_url = "https://api.ipgeolocation.io/ipgeo?apiKey=31fcd226b4674a85ac09fe288740ef9b&ip=8.8.8.8"

response = requests.get(ip_url)

print(response.headers)
print()

print(response.status_code)
print()

print(response.text)


## Json

import requests

ip_url = "https://api.ipgeolocation.io/ipgeo?apiKey=31fcd226b4674a85ac09fe288740ef9b&ip=8.8.8.8"

response = requests.get(url = ip_url)

json_data = response.json()
print(json_data)

print(json_data['ip'])

import requests


def get_country(ip = None):
  if ip != None:

    ip_url = "https://api.ipgeolocation.io/ipgeo?apiKey=31fcd226b4674a85ac09fe288740ef9b&ip={}".format(ip)

    response = requests.get(url = ip_url)

    json_data = response.json()
    return json_data['country_name']
  else:
    return None

r = get_country('3.3.3.3')
print(r)

r = get_country('9.9.9.9')
print(r)

## Module

import ipcountry

import logparser
access_log = "access.log"
logfile = open(access_log,"r")
ipcounter = {}

for line in logfile:
  logParts = logparser.parser(line)
  host = logParts['host']
  status = logParts['status']
  if status == "404":
    if host not in ipcounter:
      ipcounter[host] = 1
    else:
      ipcounter[host] = ipcounter[host] + 1

for ip in ipcounter:
  freq = ipcounter[ip]
  if freq >= 50:
    country = ipcountry.get_country(ip = ip)
    out = "{:20} - {:6} - {} ".format(ip,freq,country)
    print(out)

## iseven

def iseven(x):
  if x % 2 == 0:
    return True
  else:
    return False

##
def isodd(x):
  if x % 2 != 0:
    return True
  else:
    return False

number = iseven(8)
print(number)

number = iseven(9)
print(number)

number = isodd(9)
print(number)