how to open files in python code example
Example 1: open text file in python
f=open("Diabetes.txt",'r')
f.read()
Example 2: python open file
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
Example 3: how to read files in python with
def file_reader(file):
with open(file,'r') as infile:
table = [row for row in infile]
return table
print(file_reader('file.txt'))
Example 4: how to read files in python
#Read files with loop
#Replace (File path) with your text file's path
file = open("(File path)", "r")
text = ""
for line in file:
text = "%s\n%s"%(text, line)
print(text)
Example 5: how to open a file in python
open("filename" , "mode")
# do whatever you want to do!!
Example 6: python open file
def main():
f= open("guru99.txt","w+")
#f=open("guru99.txt","a+")
for i in range(10):
f.write("This is line %d\r\n" % (i+1))
f.close()
#Open the file back and read the contents
#f=open("guru99.txt", "r")
#if f.mode == 'r':
# contents =f.read()
# print (contents)
#or, readlines reads the individual line into a list
#fl =f.readlines()
#for x in fl:
#print(x)
if __name__== "__main__":
main()