REOLACE TEXT PYTHON

# Python program to replace text in a file
x = input("enter text to be replaced:")
y = input("enter text that will replace:")
  
# file.txt should be replaced with
# the actual text file name
f = open("file.txt", "r+")
  
# each sentence becomes an element in the list l
l = f.readlines()
  
# acts as a counter to know the
# index of the element to be replaced
c = 0
for i in l:
    if x in i:
  
        # Replacement carries the value
        # of the text to be replaced
        Replacement = i.replace(x, y)
  
        # chsnges are made in the list
        l = Replacement
    c += 1
  
# The pre existing text in the file is erased
f.truncate(0)
  
# the modified list is written into
# the file thereby replacing the old text
f.writelines(l)
f.close()
print("Text succesfully replaced")
Relieved Rhinoceros