python学习-day11-内建函数

a = "123"
print(type(a),a)

b = int(a)
print(type(b),b)

num = "0011" 
v = int(num, base=16)
print(v)

age=5
r = age.bit_length()
print(r)

test = "你是风儿我是沙"
print(test)
t = ‘ ‘
v = t.join(test)
print(v)

name = " aleX"   
v=name.split("l")
print(v)

name = " aleX"
v=name.find(1)
print(v)

name = " aleX"
v=name.find("e")
print(v)

test = "alexalex"
v = test.index(‘8‘)
print(v)

test = "alexalex"
v = test.index(‘a‘)
print(v)

test = "xadsds"
a = test.lstrip(‘xa‘)
print(a)
b = test.rstrip(‘lexxexa‘)
print(b)
c = test.strip(‘xas‘)
print(c)

name = " aleX "   
v= name.strip()
print(v)

name = " aleX "   
v= name.strip()
print(v)
a=name.rstrip()
print(a)
b=name.lstrip()
print(b)

test = "Alex"
v1 = test.islower()
v2 = test.lower()
print(v1, v2)

v1 = test.isupper()
v2 = test.upper()
print(v1,v2)

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

test = "alexalexalex"
v = test.replace("ex",‘bbb‘)
print(v)
v = test.replace("ex",‘bbb‘,1)
print(v)

a = "alex"
b = a.capitalize()
print(a)
print(b)