Append Multiple Columns to pandas DataFrame in Python (Example Code)

import pandas as pd                                            # Load pandas library

import pandas as pd # Load pandas library

my_df = pd.DataFrame({"A":range(101, 106),                     # Constructing pandas DataFrame
                      "B":range(201, 206)})
print(my_df)
#      A    B
# 0  101  201
# 1  102  202
# 2  103  203
# 3  104  204
# 4  105  205

my_df = pd.DataFrame({"A":range(101, 106), # Constructing pandas DataFrame "B":range(201, 206)}) print(my_df) # A B # 0 101 201 # 1 102 202 # 2 103 203 # 3 104 204 # 4 105 205

my_df["new1"], my_df["new2"], my_df["new3"] = ["x", "y", "z"]  # Adding multiple variables
print(my_df)
#      A    B new1 new2 new3
# 0  101  201    x    y    z
# 1  102  202    x    y    z
# 2  103  203    x    y    z
# 3  104  204    x    y    z
# 4  105  205    x    y    z

my_df["new1"], my_df["new2"], my_df["new3"] = ["x", "y", "z"] # Adding multiple variables print(my_df) # A B new1 new2 new3 # 0 101 201 x y z # 1 102 202 x y z # 2 103 203 x y z # 3 104 204 x y z # 4 105 205 x y z