How to swap first character Between two string in python?

Question

Sample
... <input>
x="knowledge"
y="zone"
Sample
... <output>
x="znowledge"
y="kone"

Answer 1

Maybe there are easier ways, but it works:

x="knowledge"
y="zone"
print(y[0]+x[1:(len(x))])
print(x[0]+x[1:(len(y))])

Answer 2

Use slicing;

https://code.sololearn.com/cu8MI4RRmdPp/?ref=app

Answer 3

Well, what will be the proposals?