python read

with open('filename', 'a') as f: # able to append data to file
	f.write(var1) # Were var1 is some variable you have set previously
	f.write('data') 
	f.close() # You can add this but it is not mandatory 

with open('filename', 'r') as f: # able to read data from file ( also is the default mode when opening a file in python)

with open('filename', 'x') as f: # Creates new file, if it already exists it will cause it to fail

with open('filename', 't') as f: # opens the file in text mode (also is defualt)

with open('filename', 'b') as f: # Use if your file will contain binary data
  
with open('filename', 'w') as f: # Open file with ability to write, will also create the file if it does not exist (if it exists will cause it to fail)
  
with open('filename', '+') as f: # Opens file with reading and writing

# You can combine these as you like with the + for reading and writing

with open(filename,"w") as f:
  f.write('Hello World')

# Reference https://docs.python.org/3/library/functions.html#open

# Method 1
file = open("welcome.txt", "r") # mode can be r(read) w(write) and others 
data = file.read()
file.close()

# Method 2 - automatic close
with open("welcome.txt") as infile:
  data = file.read()

fin = open("NAME.txt", 'r')
body = fin.read().split("\n")
line = fin.readline().strip()

# "with" closes file for you after use, even if error encountered
# r - read, w - write, rb - read binary, wb - write binary

with open('dog_breeds.txt', 'r') as reader:
     # Read and print the entire file line by line
     for line in reader:
         print(line, end='')

>>> with open('workfile') as f:
...     read_data = f.read()

>>> # We can check that the file has been automatically closed.
>>> f.closed
True

import pandas as pd
import os
print(pwd)#check default save path
file=pd.read_csv("C:\filePath") 
file.head()

f = open("PATH", "MODE")
print(f.read())
f.close

print("This is where you put the message you want to write")