unicode argument expected, got 'str'

char action[200];
fscanf(fin, "%199s", action);

fscanf(fin, "%d", &boughtTickets);

printf("Sold tickets %d - %d", &preSold+1, &preSold+boughtTickets);

myHtmlString2  = htmlmin.minify(unicode(myHtmlString, "utf-8"), remove_empty_space=True)

class MyClass(object): pass
class Child(MyClass): pass

def my_function(arg: MyClass) -> None:
    pass

my_function(MyClass())  # Type checks
my_function(Child())    # Type checks
my_function(3.14)       # Does not type check

from typing import Type

# ...snip...

def my_function_2(arg: Type[MyClass]) -> None:
    pass

my_function_2(MyClass)    # Type checks
my_function_2(Child)      # Type checks
my_function_2(int)        # Does not type check
my_function_2(MyClass())  # Does not type check

func shortName(from name: String) -> String { name.drop{ !"aeiou".contains($0) }.lowercased() }

shortName(from: "Brian")  // "ian"    
shortName(from: "Bill")   // "ill"

func shortName(from name: String) -> String {
    // you can use a string instead of a CharacterSet to fix your first error
    let vowels =  "aeiou"
    // to fix your second error you can create a variable from your first parameter name
    var name = name
    // you can iterate through each character using `for character in name`
    for character in name {
        // check if the string with the vowels contain the current character
        if vowels.contains(character) {
            // and remove the first character from your name using `removeFirst` method
            name.removeFirst()
        }
    }
    // return the resulting name lowercased
    return name.lowercased()
} 

shortName(from: "Brian")  // "ian"