Python Day String-Funktionen, Looping-For, ifelse-Bedingungen und Task

txt = "Hello, welcome to my world."

x = txt.find("welcome")

print(x)

7

txt = '1234'

for num in txt:
    print(num,end=' ')

1 2 3 4

name = input("Enter Name: ")
print(name)
for alphabet in name:
    print(alphabet, end='*') 

Enter Name: guru
guru
g*u*r*u*

txt = '12a4'

for num in txt:
    if num>='0' and num<='9':
        print(num,end=' ')
    else:
        print('Not Decimal',end=' ')

1 2 Not Decimal 4 

name=input("Enter names: ")
names=(name).split(",")

for letter in names:
    if letter.startswith('g'):
        print("Names starts with g are: ",letter)
    else :
        letter.endswith('a')
        print("Names end with a are: ",letter)
for space in names:
    for word in space:
        if word==' ':
            print("Names with space: ",space)
        else:
            continue
for character in names:
    if len(character)>9:
        print("Names with more than 9 letters: ",character)

Enter names: guru prasanna,guhanraja,lakshmi pritha,varatharajan
Names starts with g are:  guru prasanna
Names starts with g are:  guhanraja
Names end with a are:  lakshmi pritha
Names end with a are:  varatharajan
Names with space:  guru prasanna
Names with space:  lakshmi pritha
Names with more than 9 letters:  guru prasanna
Names with more than 9 letters:  lakshmi pritha
Names with more than 9 letters:  varatharajan