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# Replace 0’s with 1’s using Python

## Replace all 0’s with 1’s

In this program, we will replace all 0’s in an integer with 1’s in python. First, we will convert the integer to string and then iterate through the string and check every character for 0’s and then replace it with 1’s.Finally we will display the output string.

• Example : n=60705,
• Replace all 0’s with 1’s in 60705 becomes 61715
• Final result 61715

## Algorithm:

• Input number and initialise empty list
• Convert integer to string
• Find all 0’s in the string and replace it with 1’s and append to list
• Finally convert the list to string
• Print string by converting to integer

## Python code:

n=int(input(“Enter any number”))
s=str(n)
l=[]
for i in s:
if(i==‘0’):
l.append(‘1’)
else:
l.append(i)
ns=“”
for i in l:
ns+=i
print(int(ns))

## Output:

Enter any number 8500
8511