import zlib
def crc32_of_string(text: str) -> str:
"""
Calculates the CRC32 checksum of a string.
Args:
text (str): The input string.
Returns:
str: The CRC32 value as an 8‑character uppercase hex string.
"""
# Convert the string to bytes (UTF‑8 is the standard encoding)
data = text.encode("utf-8")
# zlib.crc32 returns a signed 32‑bit integer on some systems,
# so we mask with 0xFFFFFFFF to ensure an unsigned 32‑bit result.
crc = zlib.crc32(data) & 0xFFFFFFFF
# Format as 8‑digit uppercase hexadecimal (standard CRC32 format)
return f"{crc:08X}"
text = "Python Programming"
crc = crc32_of_string(text)
print("CRC32:", crc)
'''
run:
CRC32: EA53455C
'''
