# files and JSON in Python

# create file weekdays.txt:

Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Sunday

# reading a file

file_handle = open("weekdays.txt", "r")
content = file_handle.read()

print(content)

# NEW FILE

file_handle = open("weekdays.txt", "r")

counter = 1

# process the file
while True:
    # next line
    line = file_handle.readline()

    # end of file
    if not line:
        break

    # print the line
    print(f"{counter} : {line}")
    counter = counter + 1


# NEW FILE

# open the file
file_handle = open("weekdays.txt", "r")

# load the content of the file into a variable
content = file_handle.read()

# split content into a list of texts
lines = content.split("\n")

# how many lines
amount = len(lines)

# loop through lines, numbered list
for index in range(amount):
    line = lines[index]
    print(f"{index + 1}. {line}")

# NEW FILE

# open file, force to use utf-8 in order to see special characters etc. correctly
# also important if using different languages that involve other characters
# than in standard English
file_handle = open("testing.txt", "w", encoding="utf-8")

text = input("Write your message:\n")

# file_handle.write("Is this still working?")
file_handle.write(text)

print("File saved.")

# create a city.json -file:

{
   "name":"Rovaniemi",
   "population":62933,
   "county":"Lapland"
}

# NEW FILE

import json

# open the file, read content, close connection
file_handle = open("city.json", "r")
content = file_handle.read()
file_handle.close()

# convert JSON text => Python dictionary (or list, depends on data)
data = json.loads(content)

# data is now a dictionary, use as you wish
print(data['name'])
print(data['population'])

# NEW FILE

import json

phone = {
    "name": "Nokia 3310",
    "release_year": 2000,
    "battery": "1000mAh",
    "camera": False,
    "weight": 133
}

file_handle = open("phone.json", "w")

#print(phone)
data = json.dumps(phone)
file_handle.write(data)
file_handle.close()

print("The phone was saved.")

# first create cities.json -file:

[
  {
    "name": "Los Angeles",
    "population": 3898747,
    "state": "California"
  },
  {
    "name": "Miami",
    "population": 6166488,
    "state": "Florida"
  },
  {
    "name": "Denver",
    "population": 715522,
    "state": "Colorado"
  }
]

# NEW FILE

import json

# open the file, read content, close connection
file_handle = open("cities.json", "r")
content = file_handle.read()
file_handle.close()

data = json.loads(content)

for city in data:
    print(city['name'])