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19. Avg Apple Sign-up Gap

easy
AppleApple
senior
apple_users
Column NameType
user_idint64
first_nameobject
last_nameobject
emailobject
countryobject
joined_dtobject
Expected Output Schema
Column NameType
avg_days_between_signupsfloat64

Constraints

Hint 1
Hint 2
Hint 3
Roles
Data Analyst
Analytics Engineer
Data Engineer
Business Intelligence Engineer
Data Scientist
Product Manager
ML Engineer
AI Engineer
Companies
AppleApple
Levels
senior
entry
Tags
pandas
datetime
sorting
diff
aggregation

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