What's with this syntax?

Question

msg:str = "malayalam";
used:str = "";
i:int;
for i in range(len(msg)):
tmp:str = msg[i];
if (tmp not in used):
used += tmp;
print(tmp,":", end = "");
j: int;
count:int = 0;
for j in range(len(msg)):
if (tmp == msg[j]):
count += 1;
print(count);

here, even if i replace all the "str" with "float" the output doesn't change. so why was this implemented in the first case?

Answer 1

Str is just a hint but finally we have duck typing.
The value determines the type.

Answer 2

Lothar oh those ☕
They must do 🧠 yoga when they 🐍 🐍 .
No semicolon, type anarchy....
A cultural shock 😲 😳 😐 😑

Answer 3

Harsha S ,

just some comments to the code:

- we don't need to use semicolons at the end of the lines

- the task can be also be done by using the string method count() and a variable that indicates if a character is already seen / counted or not:

msg = "malayalam"
seen = ''
for char in msg:
if char not in seen:
print(char, msg.count(char))
seen += char