Extract dates
Write a Python program to extract dates in DD-MM-YYYY format and print them as YYYY-MM-DD. Step-by-step explanation, colour-coded code and real output.
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298 articles · page 4 of 25 · Clear filtersExtract all numbers
Write a Python program to extract integers and decimals from text. Step-by-step explanation, colour-coded code and real output.
Check a strong password
Write a Python program to check that a password has 8+ characters with upper, lower, digit and...
Validate PIN codes
Write a Python program to validate 6-digit Indian PIN codes (not starting with 0). Step-by-step explanation, colour-coded code and real output.
Validate Indian mobile numbers
Write a Python program to validate 10-digit Indian mobile numbers with an optional +91. Step-by-step explanation, colour-coded code and real output.
Validate email addresses
Write a Python program to check which strings are valid email addresses. Step-by-step explanation, colour-coded code and real output.
Current exception info
Write a Python program that reads the active exception with `sys.exception()`. Step-by-step explanation, colour-coded code and real output.
Python sys Module Programs with Solutions
20 Python sys module programs with solutions: argv, exit codes, stdin, stdout, stderr, sys.path, version checks and getsizeof, each explained.
Arguments with argparse
Write a Python program that parses named options with argparse. Step-by-step explanation, colour-coded code and real output.
Exit with a message
Write a Python program that stops with a message when a required file is missing. Step-by-step explanation, colour-coded code and real output.
Byte order and encoding
Write a Python program that prints the machine's byte order and the default text encoding. Step-by-step explanation, colour-coded code and real output.
Which Python is running?
Write a Python program that checks which interpreter file is running. Step-by-step explanation, colour-coded code and real output.
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