PYTHON

min, max characters

//Use the code below to set min and max characters for an input
//grabbing element from the DOM
const username = document.getElementById('username');

function checkLength(input, min, max) {
  if(input.value.length < min)
  {//below can be applied to a field, etc
    console.log(`${input.id} must be at least ${min} characters`)
  }
  else if(input.value.length > max){
    console.log(`${input.id} must be less than ${max} characters`)
  }
}
//call function
checkLength(username, 3, 15)

find max, min character

t = input("your text>>")
min_char = t[0]
max_char = t[0]

for item in t:
    if item<min_char:
      min_char = item
    if item>max_char:
      max_char = item

print(f"min_char: {min_char}")
print(f"max_char: {max_char}")