Most asked Python interview questions for Data Engineer jobs with answers!

𝟭. 𝗘𝘅𝗽𝗹𝗮𝗶𝗻 𝘁𝗵𝗲 𝗱𝗶𝗳𝗳𝗲𝗿𝗲𝗻𝗰𝗲 𝗯𝗲𝘁𝘄𝗲𝗲𝗻 𝗹𝗶𝘀𝘁𝘀 𝗮𝗻𝗱 𝘁𝘂𝗽𝗹𝗲𝘀 𝗶𝗻 𝗣𝘆𝘁𝗵𝗼𝗻.
Lists are mutable, meaning their elements can be changed but Tuples are immutable.

𝟮. 𝗪𝗵𝗮𝘁 𝗶𝘀 𝗮 𝗗𝗮𝘁𝗮𝗙𝗿𝗮𝗺𝗲 𝗶𝗻 𝗽𝗮𝗻𝗱𝗮𝘀?
A DataFrame is a 2-dimensional labelled data structure, similar to a spreadsheet.

𝟯. 𝗥𝗲𝘃𝗲𝗿𝘀𝗶𝗻𝗴 𝘁𝗵𝗲 𝘄𝗼𝗿𝗱𝘀 𝗶𝗻 𝗮 𝘀𝘁𝗿𝗶𝗻𝗴 𝗶𝗻 𝗣𝘆𝘁𝗵𝗼𝗻
def reverse_words(s: str) -> str:
words = s.split()
reversed_words = reversed(words)
return ' '.join(reversed_words)

𝟰. 𝗪𝗿𝗶𝘁𝗲 𝗮 𝗣𝘆𝘁𝗵𝗼𝗻 𝗳𝘂𝗻𝗰𝘁𝗶𝗼𝗻 𝘁𝗼 𝗰𝗼𝘂𝗻𝘁 𝘁𝗵𝗲 𝗻𝘂𝗺𝗯𝗲𝗿 𝗼𝗳 𝘃𝗼𝘄𝗲𝗹𝘀 𝗶𝗻 𝗮 𝗴𝗶𝘃𝗲𝗻 𝘀𝘁𝗿𝗶𝗻𝗴?
def count_vowels(string: str) -> int:
vowels = "aeiouAEIOU"
vowel_count = 0
for char in string:
if char in vowels:
vowel_count += 1
return vowel_count

I’ve listed 4 but there are many questions you’d need to prepare to succeed in interviews.

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All the best 👍👍