Yashotantra Academy logo
← Go theorytheory 0/50 · 0%
level 1
Curious · 0 XP
streak
0d
perfect
0
badges
0

100 XP to Apprentice

Standard library · easy

16. Packages: fmt, strconv, time

The everyday standard library.

1 min read2 questionsup to 50 XPtopic 16/50

Read in another language

AI translates the explanation and quiz text while preserving code and answer scoring.

fmt handles formatted I/O with verbs like %v, %+v and %q. strconv converts between strings and numbers with explicit errors. time provides durations, timers and formatting using the reference layout 2006-01-02 15:04:05.

How to study this topic

  1. 1. Read the explanation once end to end, skipping the code.
  2. 2. Re-read the code snippets and say out loud what each line does.
  3. 3. Answer the quiz without scrolling back — that is the real check.
  4. 4. Read every explanation, even for the answers you got right.

Scoring

  • · Up to 30 XP from quiz accuracy.
  • · +15 XP for a perfect first attempt.
  • · +5 XP while a 3-day streak is running.
  • · 75% or higher marks the topic complete.

Check your understanding

  1. 1. Which verb prints field names of a struct?

  2. 2. Go time layouts are based on…

Badges

First light
Pass your first topic
Sharp shooter
3 perfect first-try quizzes
On a roll
Study 3 days in a row
Week warrior
Study 7 days in a row
Grinder
Earn 500 XP
Deep diver
Earn 1500 XP