Python

1: Print Function
2: Escape Sequence
3: Comments
4: Escape Sequence as Normal Text
5: Print Emoji
6: Python as Calculator
7: Strings Concatenation
8: Input
9: int function
10: Variables
11: String Formatting
12: String Indexing
13: String Slicing
14: Step Argument
15: Some useful function and methods
16: Strip Method
17: Find and Replace method
18: Center method
19: If Statement
20: If else statement
21: Nested if-else Statement
22: if-elif-else statement
23: while loop
23.1: Example 1 while loop
23.2: Example 2 while loop
23.3: Example 3 while loop
24: Infinite loop
25: for loop
25.1: Example 1 for loop
26: break and continue statement
27: for loop with string

Chapter 23.3: Example 3 while loop

#counting a character how many times it comes in a string
name   = input("Enter your name: ")
length = len(name)
temp   = ""
i      = 0
while i < length:
  if name[i] not in temp:
    temp += name[i]
    print(f"{name[i]} : {name.count(name[i])}")
  i += 1

Output:

Enter your name: Free Learning

F : 1

r : 2

e : 3

  : 1

L : 1

a : 1

n : 2

i : 1

g : 1