Python の文字列

text = "Python is fun"

print(len(text))          # number of characters
print(text[0], text[-1])  # first and last character
print(text[0:6])          # slicing: characters 0 to 5
print(text.upper())
print(text.lower())
print(text.replace("fun", "powerful"))
print(text.split())       # split on spaces into a list
print("is" in text)       # check for a substring

# Strings are immutable: methods return a new string.
name = "  ada lovelace  "
clean = name.strip().title()
print(clean)

# Join a list of strings with a separator.
print("-".join(["2026", "11", "01"]))