4基本数据类型——元祖、字典、布尔值

tu = (11,"umbrella",(25,5),[(45,89),11],True,22,33,)
tu[3][0] = 123
print(tu)

li = [125,1,8,9,125,75]
v = "umbrella"
v1 = tuple(v)
v2 = tuple(li)
print(v1,v2)

tu = (11,"umbrella",(25,5),[(45,89),11],True,22,33,11,)
v = tu.count(11)
print(v)

tu = (11,"umbrella",(25,5),[(45,89),11],True,22,33,11,)
v = tu.index(22)
print(v)

dict = {"k1":"v1","k2":"v2"}
v1 = "k1" in dict
v2 = "k1" in dict.keys()
v3 = "v1" in dict.values()
print(v1,v2,v3)

info = {"a1":"b1","a2":"b2",857:True,"v":[4,8,6],666:(44,66),True:"123",}
print(info[857])
print(info["a1"])
print(info["v"][0])
del info["a1"]
print(info)

info = {"a1":"b1","a2":"b2",857:True,"v":[4,8,6],666:(44,66),}
for v1 in info:
    print(v1)
for v2 in info.keys():
    print(v2)
for v3 in info.values():
    print(v3)

for v4,v5 in info.items():
    print(v4,v5)

info = {"a1":"b1","a2":"b2",857:True,"v":[4,8,6],666:(44,66),}
info.clear()
print(info)

info = {"a1":"b1","a2":"b2",857:True,"v":[4,8,6],666:(44,66),}
info.copy()
print(info)

info = {"a1":"b1","a2":"b2",857:True,"v":[4,8,6],666:(44,66),}
v = dict.fromkeys(["223","sdf",666,"999"],1)
print(v)

dict = {"a":"b",857:True,"v":[4,8,6],666:(44,66),}
v1 = dict.get("a")
v2 = dict.get(456)
v3 = dict.get(456,"错误")
print(v1,v2,v3)

info = {"a1":"b1","a2":"b2",857:True,"v":[4,8,6],666:(44,66),}
for v1 in info:
    print(v1)
for v2 in info.keys():
    print(v2)
for v3 in info.values():
    print(v3)

for v4,v5 in info.items():
    print(v4,v5)

dict = {"a":"b",857:True,"v":[4,8,6],666:(44,66),}
v1 = dict.pop(857)
print(dict,v1)
v2 = dict.pop(857,"换了")
print(dict,v2)

dict = {"a":"b",857:True,"v":[4,8,6],666:(44,66),}
v1,v2 = dict.popitem()
print(dict)
print(v1,v2)

dict = {"a":"b",857:True,"v":[4,8,6],666:(44,66),}
v1 = dict.setdefault("a",666)
v2 = dict.setdefault("umbrella",666)
print(dict,v1)
print(dict,v2)

dict = {"k1":"v1","k2":"v2"}
dict.update(k1=1,k2=2,k3=666)
print(dict)

v1 = bool(None)
v2 = bool("")
v3 = bool(())
v4 = bool([])
v5 = bool({})
v6 = bool(0)
print(v1,v2,v3,v4,v5,v6)