Strings are immutable so you can't insert characters into an existing string. You have to create a new string. You can use string ... ... <看更多>

How to insert a character to a string with Python ? #shorts Strings in Python Python data structures Python programming Python for beginners ... ... <看更多>

If you need to prepend a number of characters to a string you might consider String.PadLeft(). For example: string str = "abc123"; Console. ... <看更多>

Currently there is a string ... str1 = "I love python" # HINT: what's the accumulator? That should go here. chars = [] for i in range(len(str1)): chars.append( ... ... <看更多>