Remove all occurrences of a character Dry Run in PYTHON

Remove all occurrences of a character is an interactive PYTHON dry run visualizer from the Recursion programs section. Study the source code, then use the execution controls to follow each step, variable update, highlighted line, and console output.

This page provides a browser-based dry run with source-code highlighting, auto-scroll, voice narration controls, and execution output for learning the program step by step.

Remove all occurrences of a character Program Code

def remove_char(s, ch):
    if not s:
        return ""
    if s[0] == ch:
        return remove_char(s[1:], ch)
    return s[0] + remove_char(s[1:], ch)

text = "hello world"
print(f"Original: {text}")
print(f"After removing 'o': {remove_char(text, 'o')}")

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