open python read and write code example
Example 1: python write to file
with open(filename,"w") as f:
f.write('Hello World')
Example 2: read and write to file python
file = open(“testfile.txt”, “r+”)
Example 3: read and write file in python
f = open ('NumFile.txt','w')
while True :
no = int(input("enter a number (0 for exit)"))
if no == 0 :
print("you entered zero(0) ....... \n now you are exit !!!!!!!!!!!")
break
else :
f.write(str(no)+"\n")
f.close()
f1 = open ('NumFile.txt','r')
print("\ncontent of file :: \n",f1.read())
f1.close()