class.py

#Assignment based on string operators
#1) wap to concatenation 2 string from userd input and print result on screen
def concatenate_strings():
    str1 = input("Enter first string: ")
    str2 = input("Enter second string: ")
    result = str1 + " " + str2
    print("Concatenated string:", result)
#2) wap to print substring form given string using slice operation
def substring_slice():
    str1=input("Enter a string:")
    start=int(input("Enter starting index:"))
    end=int(input("Enter ending index:"))
    substring=str1[start:end+1]
    print("Substring:",substring)
#3) wap to declare 3 string using 3 different ways and multiply each string by 2 and print result on screen
def string_multiplication():
    str1 = "Hello"
    str2 = 'World'
    str3 = """Python"""
    
    print(f'String 1: "{str1}"')
    print(f"String 2: '{str2}'")
    print(f'String 3: """{str3}"""')
    result1 = str1 * 2
    result2 = str2 * 2
    result3 = str3 * 2
    
    print("String 1 multiplied by 2:", result1)
    print("String 2 multiplied by 2:", result2)
    print("String 3 multiplied by 2:", result3)
#4) wap to print string in revrese order using reverse indexing, using loop 
def reverse_string():
    str1=input("Enter a string:")
    for i in range(len(str1)-1,-1,-1):
        print(str1[i],end="")
#5) wap to check particular substring is present in given string or not by using in and not in operator
def check_substring():
    str1 = input("Enter a string: ")
    substr = input("Enter substring to check: ")
    
    if substr in str1:
        print(f"'{substr}' is present in '{str1}'")
    else:
        print(f"'{substr}' is not present in '{str1}'")


print("Concatenate Strings")
concatenate_strings()
print("\nSubstring Slice")
substring_slice()
print("\nString Multiplication")
string_multiplication()
print("\nReverse String")
reverse_string()
print("\nCheck Substring")
check_substring()