Python - 获取微信好友性别比例（ Pie ）

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Counter：计数返回键值的形式

items：将键值对转换为元组

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import itchat
from collections import Counter
from matplotlib import pyplot as plt
plt.rcParams["font.family"]=["sans-serif"]
plt.rcParams["font.sans-serif"]=["SimHei"]

itchat.auto_login(hotReload=True)
friends = itchat.get_friends(update=True)

def analyseSex(frinends):
    sexs = list(map(lambda x:x["Sex"],friends[1:]))
    counts = list(map(lambda x:x[1],Counter(sexs).items()))
    labels = ["Male","Unknown","Female"]
    explode = [0,0,0.1]
    colors = ["red","yellowgreen","lightskyblue"]
    plt.pie(
        counts,
        explode,
        labels,
        colors,
        radius=0.9,
        autopct="%.2f%%",
        shadow = False
    )
    plt.legend(loc="upper right")
    plt.title("%s的微信好友比例" % friends[0]["NickName"])
    plt.axis("equal")
    plt.savefig("f:Geclipse的微信好友性别比例.png",dpi=500)
    plt.show()
if __name__=="__main__":
    analyseSex(friends)

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