test = "alex"
v = test.capitalize()
print(v)

test = "ALex"
v1 = test.casefold()
print(v1)
v2 = test.lower()
print(v2)

test = "alex"
v = test.center(20, "*")
print(v)

test = "alexalexr"
v = test.count(‘ex‘,5,8)
print(v)

test = "alex"
v1 = test.endswith(‘x‘)
v2 = test.startswith(‘b‘)
print(v1)
print(v2)

test = "alex\tdabai"
v = test.expandtabs(16)
print(v)

test = "alexalex"
v1 = test.find("ex")
v2 = test.find("ex", 5, 7)
print(v1)
print(v2)

test1 = "i am {name}"
print(test1)
v1 = test1.format(name = ‘alex‘)
print(v1)
test2 = "i am {0},age{1}"
print(test2)
v2 = test2.format(‘Iro man‘,35)
print(v2)

test = "i am {name},age{a}"
v = test.format_map({"name":"Iro man", "a":35})
print(v)

test = "alexalex"
v1 = test.index("ex")
print(v1)
v2 = test.index(‘8‘)
print(v2)

test1 = "asdfhisa123"
test2 = "wdsf24_@$s2_^"
v1 = test1.isalnum()
v2 = test2.isalnum()
print(v1)
print(v2)